Subtract 90/20 from 7/36
1st number: 7/36, 2nd number: 4 10/20
7/36 - 90/20 is -155/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
7/36 = 7 × 5/36 × 5 = 35/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
90/20 = 90 × 9/20 × 9 = 810/180 - Subtract the two like fractions:
35/180 - 810/180 = 35 - 810/180 = -775/180 - After reducing the fraction, the answer is -155/36
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