Add 3/56 and 12/40
3/56 + 12/40 is 99/280.
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,
12/40 = 12 × 7/40 × 7 = 84/280 - Add the two like fractions:
15/280 + 84/280 = 15 + 84/280 = 99/280 - So, 3/56 + 12/40 = 99/280
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