Add 15/40 and 5/56
15/40 + 5/56 is 13/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
15/40 = 15 × 7/40 × 7 = 105/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
5/56 = 5 × 5/56 × 5 = 25/280 - Add the two like fractions:
105/280 + 25/280 = 105 + 25/280 = 130/280 - 130/280 simplified gives 13/28
- So, 15/40 + 5/56 = 13/28
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