Subtract 70/45 from 90/35
1st number: 2 20/35, 2nd number: 1 25/45
90/35 - 70/45 is 64/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 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 45 × 7 = 315,
70/45 = 70 × 7/45 × 7 = 490/315 - Subtract the two like fractions:
810/315 - 490/315 = 810 - 490/315 = 320/315 - After reducing the fraction, the answer is 64/63
- In mixed form: 11/63
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