Subtract 70/36 from 72/70
1st number: 1 2/70, 2nd number: 1 34/36
72/70 - 70/36 is -577/630.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 70 × 18 = 1260,
72/70 = 72 × 18/70 × 18 = 1296/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
70/36 = 70 × 35/36 × 35 = 2450/1260 - Subtract the two like fractions:
1296/1260 - 2450/1260 = 1296 - 2450/1260 = -1154/1260 - After reducing the fraction, the answer is -577/630
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Related: 72/70-70/72