Add 72/63 and 70/35
1st number: 1 9/63, 2nd number: 2 0/35
72/63 + 70/35 is 22/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
72/63 = 72 × 5/63 × 5 = 360/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
70/35 = 70 × 9/35 × 9 = 630/315 - Add the two like fractions:
360/315 + 630/315 = 360 + 630/315 = 990/315 - 990/315 simplified gives 22/7
- So, 72/63 + 70/35 = 22/7
In mixed form: 31/7
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