Subtract 63/28 from 54/15
1st number: 3 9/15, 2nd number: 2 7/28
54/15 - 63/28 is 27/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
54/15 = 54 × 28/15 × 28 = 1512/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
63/28 = 63 × 15/28 × 15 = 945/420 - Subtract the two like fractions:
1512/420 - 945/420 = 1512 - 945/420 = 567/420 - After reducing the fraction, the answer is 27/20
- In mixed form: 17/20
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