Add 81/35 and 70/63
1st number: 2 11/35, 2nd number: 1 7/63
81/35 + 70/63 is 1079/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
81/35 = 81 × 9/35 × 9 = 729/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
70/63 = 70 × 5/63 × 5 = 350/315 - Add the two like fractions:
729/315 + 350/315 = 729 + 350/315 = 1079/315 - So, 81/35 + 70/63 = 1079/315
In mixed form: 3134/315
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Related: 81/70+70/63