Add 15/56 and 27/40
15/56 + 27/40 is 33/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
15/56 = 15 × 5/56 × 5 = 75/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
27/40 = 27 × 7/40 × 7 = 189/280 - Add the two like fractions:
75/280 + 189/280 = 75 + 189/280 = 264/280 - 264/280 simplified gives 33/35
- So, 15/56 + 27/40 = 33/35
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