Add 45/56 and 7/40
45/56 + 7/40 is 137/140.
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,
45/56 = 45 × 5/56 × 5 = 225/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
7/40 = 7 × 7/40 × 7 = 49/280 - Add the two like fractions:
225/280 + 49/280 = 225 + 49/280 = 274/280 - 274/280 simplified gives 137/140
- So, 45/56 + 7/40 = 137/140
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