Add 21/28 and 84/96
21/28 + 84/96 is 13/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 28 × 24 = 672,
21/28 = 21 × 24/28 × 24 = 504/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
84/96 = 84 × 7/96 × 7 = 588/672 - Add the two like fractions:
504/672 + 588/672 = 504 + 588/672 = 1092/672 - 1092/672 simplified gives 13/8
- So, 21/28 + 84/96 = 13/8
In mixed form: 15/8
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