Subtract 70/48 from 28/54, Solve 28/54

Subtract 70/48 from 28/54

1^st number: 28/54, 2^nd number: 1 22/48

28/54 - 70/48 is -203/216.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 48 is 432

Next, find the equivalent fraction of both fractional numbers with denominator 432
For the 1st fraction, since 54 × 8 = 432,
28/54 = 28 × 8/54 × 8 = 224/432
Likewise, for the 2nd fraction, since 48 × 9 = 432,
70/48 = 70 × 9/48 × 9 = 630/432
Subtract the two like fractions:
224/432 - 630/432 = 224 - 630/432 = -406/432
After reducing the fraction, the answer is -203/216

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