Add 21/72 and 21/32
21/72 + 21/32 is 91/96.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 72 × 4 = 288,
21/72 = 21 × 4/72 × 4 = 84/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
21/32 = 21 × 9/32 × 9 = 189/288 - Add the two like fractions:
84/288 + 189/288 = 84 + 189/288 = 273/288 - 273/288 simplified gives 91/96
- So, 21/72 + 21/32 = 91/96
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