Add 81/63 and 70/56
1st number: 1 18/63, 2nd number: 1 14/56
81/63 + 70/56 is 71/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
81/63 = 81 × 8/63 × 8 = 648/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
70/56 = 70 × 9/56 × 9 = 630/504 - Add the two like fractions:
648/504 + 630/504 = 648 + 630/504 = 1278/504 - 1278/504 simplified gives 71/28
- So, 81/63 + 70/56 = 71/28
In mixed form: 215/28
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