Add 18/32 and 21/28
18/32 + 21/28 is 21/16.
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,
18/32 = 18 × 7/32 × 7 = 126/224 - Likewise, for the 2nd fraction, since 28 × 8 = 224,
21/28 = 21 × 8/28 × 8 = 168/224 - Add the two like fractions:
126/224 + 168/224 = 126 + 168/224 = 294/224 - 294/224 simplified gives 21/16
- So, 18/32 + 21/28 = 21/16
In mixed form: 15/16
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