Subtract 7/36 from 28/20
1st number: 1 8/20, 2nd number: 7/36
28/20 - 7/36 is 217/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
28/20 = 28 × 9/20 × 9 = 252/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
7/36 = 7 × 5/36 × 5 = 35/180 - Subtract the two like fractions:
252/180 - 35/180 = 252 - 35/180 = 217/180 - In mixed form: 137/180
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