Add 15/40 and 20/56
15/40 + 20/56 is 41/56.
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,
20/56 = 20 × 5/56 × 5 = 100/280 - Add the two like fractions:
105/280 + 100/280 = 105 + 100/280 = 205/280 - 205/280 simplified gives 41/56
- So, 15/40 + 20/56 = 41/56
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