Adding Unlike Fractions ChallengeOnline version Add fractions with different denominators. by Arnab Biswas 1 What is 1/3 + 2/5? a 13/15 b 11/15 c 11/25 d 7/15 2 What is 3/4 + 1/6? a 3/4 b 13/12 c 7/6 d 11/12 3 What is 5/8 + 3/10? a 33/40 b 35/40 c 41/40 d 37/40 4 What is 7/9 + 5/6? a 37/18 b 23/18 c 29/18 d 29/16 5 What is 2/5 + 4/7? a 36/35 b 16/35 c 12/35 d 34/35 6 What is 1/2 + 1/3? a 1/2 b 5/6 c 2/3 d 7/6 7 What is 9/10 + 1/5? a 1/2 b 5/10 c 9/10 d 11/10 8 What is 3/7 + 2/9? a 43/63 b 41/21 c 39/63 d 41/63 9 What is 4/5 + 2/3? a 24/15 b 22/15 c 14/15 d 22/10 10 What is 1/8 + 3/4? a 7/8 b 1/4 c 15/16 d 5/8