Add 21/32 and 18/28
21/32 + 18/28 is 291/224.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 28 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 32 × 7 = 224,
21/32 = 21 × 7/32 × 7 = 147/224 - Likewise, for the 2nd fraction, since 28 × 8 = 224,
18/28 = 18 × 8/28 × 8 = 144/224 - Add the two like fractions:
147/224 + 144/224 = 147 + 144/224 = 291/224 - So, 21/32 + 18/28 = 291/224
In mixed form: 167/224
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