Add 81/20 and 70/56
1st number: 4 1/20, 2nd number: 1 14/56
81/20 + 70/56 is 53/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
81/20 = 81 × 14/20 × 14 = 1134/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
70/56 = 70 × 5/56 × 5 = 350/280 - Add the two like fractions:
1134/280 + 350/280 = 1134 + 350/280 = 1484/280 - 1484/280 simplified gives 53/10
- So, 81/20 + 70/56 = 53/10
In mixed form: 53/10
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