Add 90/35 and 75/63
1st number: 2 20/35, 2nd number: 1 12/63
90/35 + 75/63 is 79/21.
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,
75/63 = 75 × 5/63 × 5 = 375/315 - Add the two like fractions:
810/315 + 375/315 = 810 + 375/315 = 1185/315 - 1185/315 simplified gives 79/21
- So, 90/35 + 75/63 = 79/21
In mixed form: 316/21
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