Subtract 20/10 from 48/21, Solve 2 6/21

Subtract 20/10 from 48/21

1^st number: 2 6/21, 2^nd number: 2 0/10

48/21 - 20/10 is 2/7.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 21 × 10 = 210,
48/21 = 48 × 10/21 × 10 = 480/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
20/10 = 20 × 21/10 × 21 = 420/210
Subtract the two like fractions:
480/210 - 420/210 = 480 - 420/210 = 60/210
After reducing the fraction, the answer is 2/7

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