Add 20/28 and 18/32
20/28 + 18/32 is 143/112.
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,
20/28 = 20 × 8/28 × 8 = 160/224 - Likewise, for the 2nd fraction, since 32 × 7 = 224,
18/32 = 18 × 7/32 × 7 = 126/224 - Add the two like fractions:
160/224 + 126/224 = 160 + 126/224 = 286/224 - 286/224 simplified gives 143/112
- So, 20/28 + 18/32 = 143/112
In mixed form: 131/112
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