Add 7/56 and 81/20
1st number: 7/56, 2nd number: 4 1/20
7/56 + 81/20 is 167/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
7/56 = 7 × 5/56 × 5 = 35/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
81/20 = 81 × 14/20 × 14 = 1134/280 - Add the two like fractions:
35/280 + 1134/280 = 35 + 1134/280 = 1169/280 - 1169/280 simplified gives 167/40
- So, 7/56 + 81/20 = 167/40
In mixed form: 47/40
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