Subtract 70/36 from 80/75
1st number: 1 5/75, 2nd number: 1 34/36
80/75 - 70/36 is -79/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 75 × 12 = 900,
80/75 = 80 × 12/75 × 12 = 960/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
70/36 = 70 × 25/36 × 25 = 1750/900 - Subtract the two like fractions:
960/900 - 1750/900 = 960 - 1750/900 = -790/900 - After reducing the fraction, the answer is -79/90
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