Subtract 5/20 from 48/21, Solve 2 6/21

Subtract 5/20 from 48/21

1^st number: 2 6/21, 2^nd number: 5/20

48/21 - 5/20 is 57/28.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 20 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 21 × 20 = 420,
48/21 = 48 × 20/21 × 20 = 960/420
Likewise, for the 2nd fraction, since 20 × 21 = 420,
5/20 = 5 × 21/20 × 21 = 105/420
Subtract the two like fractions:
960/420 - 105/420 = 960 - 105/420 = 855/420
After reducing the fraction, the answer is 57/28
In mixed form: 21/28

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