Add 27/56 and 72/40
1st number: 27/56, 2nd number: 1 32/40
27/56 + 72/40 is 639/280.
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,
27/56 = 27 × 5/56 × 5 = 135/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
72/40 = 72 × 7/40 × 7 = 504/280 - Add the two like fractions:
135/280 + 504/280 = 135 + 504/280 = 639/280 - So, 27/56 + 72/40 = 639/280
In mixed form: 279/280
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