Add 21/28 and 9/32
21/28 + 9/32 is 33/32.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 32 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 28 × 8 = 224,
21/28 = 21 × 8/28 × 8 = 168/224 - Likewise, for the 2nd fraction, since 32 × 7 = 224,
9/32 = 9 × 7/32 × 7 = 63/224 - Add the two like fractions:
168/224 + 63/224 = 168 + 63/224 = 231/224 - 231/224 simplified gives 33/32
- So, 21/28 + 9/32 = 33/32
In mixed form: 11/32
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