Add 15/16 and 21/9
1st number: 15/16, 2nd number: 2 3/9
15/16 + 21/9 is 157/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
15/16 = 15 × 9/16 × 9 = 135/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
21/9 = 21 × 16/9 × 16 = 336/144 - Add the two like fractions:
135/144 + 336/144 = 135 + 336/144 = 471/144 - 471/144 simplified gives 157/48
- So, 15/16 + 21/9 = 157/48
In mixed form: 313/48
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