Subtract 7/45 from 90/35
1st number: 2 20/35, 2nd number: 7/45
90/35 - 7/45 is 761/315.
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,
7/45 = 7 × 7/45 × 7 = 49/315 - Subtract the two like fractions:
810/315 - 49/315 = 810 - 49/315 = 761/315 - In mixed form: 2131/315
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