Add 90/35 and 30/63
1st number: 2 20/35, 2nd number: 30/63
90/35 + 30/63 is 64/21.
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,
90/35 = 90 × 9/35 × 9 = 810/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
30/63 = 30 × 5/63 × 5 = 150/315 - Add the two like fractions:
810/315 + 150/315 = 810 + 150/315 = 960/315 - 960/315 simplified gives 64/21
- So, 90/35 + 30/63 = 64/21
In mixed form: 31/21
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