Answers

Add 8/16 and 21/56

8/16 + 21/56 is 7/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 56 is 112
   
   Next, find the equivalent fraction of both fractional numbers with denominator 112
2. For the 1st fraction, since 16 × 7 = 112,
   8/16 = 8 × 7/16 × 7 = 56/112
3. Likewise, for the 2nd fraction, since 56 × 2 = 112,
   21/56 = 21 × 2/56 × 2 = 42/112
4. Add the two like fractions:
   56/112 + 42/112 = 56 + 42/112 = 98/112
5. 98/112 simplified gives 7/8
6. So, 8/16 + 21/56 = 7/8

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