Add 15/21 and 28/96
15/21 + 28/96 is 169/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
15/21 = 15 × 32/21 × 32 = 480/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
28/96 = 28 × 7/96 × 7 = 196/672 - Add the two like fractions:
480/672 + 196/672 = 480 + 196/672 = 676/672 - 676/672 simplified gives 169/168
- So, 15/21 + 28/96 = 169/168
In mixed form: 11/168
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