Add 12/70 and 81/56
1st number: 12/70, 2nd number: 1 25/56
12/70 + 81/56 is 453/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
12/70 = 12 × 4/70 × 4 = 48/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
81/56 = 81 × 5/56 × 5 = 405/280 - Add the two like fractions:
48/280 + 405/280 = 48 + 405/280 = 453/280 - So, 12/70 + 81/56 = 453/280
In mixed form: 1173/280
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