Subtract 18/28 from 81/48, Solve 1 33/48

Subtract 18/28 from 81/48

1^st number: 1 33/48, 2^nd number: 18/28

81/48 - 18/28 is 117/112.

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 28 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 48 × 7 = 336,
81/48 = 81 × 7/48 × 7 = 567/336
Likewise, for the 2nd fraction, since 28 × 12 = 336,
18/28 = 18 × 12/28 × 12 = 216/336
Subtract the two like fractions:
567/336 - 216/336 = 567 - 216/336 = 351/336
After reducing the fraction, the answer is 117/112
In mixed form: 15/112

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