Subtract 4/5 from 54/28, Solve 1 26/28

Subtract 4/5 from 54/28

1^st number: 1 26/28, 2^nd number: 4/5

54/28 - 4/5 is 79/70.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 28 × 5 = 140,
54/28 = 54 × 5/28 × 5 = 270/140
Likewise, for the 2nd fraction, since 5 × 28 = 140,
4/5 = 4 × 28/5 × 28 = 112/140
Subtract the two like fractions:
270/140 - 112/140 = 270 - 112/140 = 158/140
After reducing the fraction, the answer is 79/70
In mixed form: 19/70

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