Subtract 20/27 from 63/4
1st number: 15 3/4, 2nd number: 20/27
63/4 - 20/27 is 1621/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
63/4 = 63 × 27/4 × 27 = 1701/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
20/27 = 20 × 4/27 × 4 = 80/108 - Subtract the two like fractions:
1701/108 - 80/108 = 1701 - 80/108 = 1621/108 - In mixed form: 151/108
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