Subtract 84/36 from 60/70
1st number: 60/70, 2nd number: 2 12/36
60/70 - 84/36 is -31/21.
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,
60/70 = 60 × 18/70 × 18 = 1080/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
84/36 = 84 × 35/36 × 35 = 2940/1260 - Subtract the two like fractions:
1080/1260 - 2940/1260 = 1080 - 2940/1260 = -1860/1260 - After reducing the fraction, the answer is -31/21
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