Add 3/56 and 15/40
3/56 + 15/40 is 3/7.
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,
3/56 = 3 × 5/56 × 5 = 15/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
15/40 = 15 × 7/40 × 7 = 105/280 - Add the two like fractions:
15/280 + 105/280 = 15 + 105/280 = 120/280 - 120/280 simplified gives 3/7
- So, 3/56 + 15/40 = 3/7
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