Add 81/70 and 18/56
1st number: 1 11/70, 2nd number: 18/56
81/70 + 18/56 is 207/140.
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,
81/70 = 81 × 4/70 × 4 = 324/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
18/56 = 18 × 5/56 × 5 = 90/280 - Add the two like fractions:
324/280 + 90/280 = 324 + 90/280 = 414/280 - 414/280 simplified gives 207/140
- So, 81/70 + 18/56 = 207/140
In mixed form: 167/140
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