Add 21/98 and 15/16
21/98 + 15/16 is 129/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 16 is 784
Next, find the equivalent fraction of both fractional numbers with denominator 784 - For the 1st fraction, since 98 × 8 = 784,
21/98 = 21 × 8/98 × 8 = 168/784 - Likewise, for the 2nd fraction, since 16 × 49 = 784,
15/16 = 15 × 49/16 × 49 = 735/784 - Add the two like fractions:
168/784 + 735/784 = 168 + 735/784 = 903/784 - 903/784 simplified gives 129/112
- So, 21/98 + 15/16 = 129/112
In mixed form: 117/112
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