Subtract 90/70 from 9/36
1st number: 9/36, 2nd number: 1 20/70
9/36 - 90/70 is -29/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
9/36 = 9 × 35/36 × 35 = 315/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
90/70 = 90 × 18/70 × 18 = 1620/1260 - Subtract the two like fractions:
315/1260 - 1620/1260 = 315 - 1620/1260 = -1305/1260 - After reducing the fraction, the answer is -29/28
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