Subtract 6/56 from 21/5, Solve 4 1/5

Subtract 6/56 from 21/5

1^st number: 4 1/5, 2^nd number: 6/56

21/5 - 6/56 is 573/140.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 56 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 5 × 56 = 280,
21/5 = 21 × 56/5 × 56 = 1176/280
Likewise, for the 2nd fraction, since 56 × 5 = 280,
6/56 = 6 × 5/56 × 5 = 30/280
Subtract the two like fractions:
1176/280 - 30/280 = 1176 - 30/280 = 1146/280
After reducing the fraction, the answer is 573/140
In mixed form: 413/140

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