Add 15/21 and 90/96
15/21 + 90/96 is 185/112.
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,
90/96 = 90 × 7/96 × 7 = 630/672 - Add the two like fractions:
480/672 + 630/672 = 480 + 630/672 = 1110/672 - 1110/672 simplified gives 185/112
- So, 15/21 + 90/96 = 185/112
In mixed form: 173/112
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