Add 72/84 and 20/96
72/84 + 20/96 is 179/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 84 × 8 = 672,
72/84 = 72 × 8/84 × 8 = 576/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
20/96 = 20 × 7/96 × 7 = 140/672 - Add the two like fractions:
576/672 + 140/672 = 576 + 140/672 = 716/672 - 716/672 simplified gives 179/168
- So, 72/84 + 20/96 = 179/168
In mixed form: 111/168
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