Add 45/56 and 15/20
45/56 + 15/20 is 87/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
45/56 = 45 × 5/56 × 5 = 225/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
15/20 = 15 × 14/20 × 14 = 210/280 - Add the two like fractions:
225/280 + 210/280 = 225 + 210/280 = 435/280 - 435/280 simplified gives 87/56
- So, 45/56 + 15/20 = 87/56
In mixed form: 131/56
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