Subtract 70/90 from 35/20
1st number: 1 15/20, 2nd number: 70/90
35/20 - 70/90 is 35/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
35/20 = 35 × 9/20 × 9 = 315/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
70/90 = 70 × 2/90 × 2 = 140/180 - Subtract the two like fractions:
315/180 - 140/180 = 315 - 140/180 = 175/180 - After reducing the fraction, the answer is 35/36
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