Add 10/16 and 9/21
10/16 + 9/21 is 59/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
10/16 = 10 × 21/16 × 21 = 210/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
9/21 = 9 × 16/21 × 16 = 144/336 - Add the two like fractions:
210/336 + 144/336 = 210 + 144/336 = 354/336 - 354/336 simplified gives 59/56
- So, 10/16 + 9/21 = 59/56
In mixed form: 13/56
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