Subtract 10/15 from 48/21, Solve 2 6/21

Subtract 10/15 from 48/21

1^st number: 2 6/21, 2^nd number: 10/15

48/21 - 10/15 is 34/21.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 15 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 21 × 5 = 105,
48/21 = 48 × 5/21 × 5 = 240/105
Likewise, for the 2nd fraction, since 15 × 7 = 105,
10/15 = 10 × 7/15 × 7 = 70/105
Subtract the two like fractions:
240/105 - 70/105 = 240 - 70/105 = 170/105
After reducing the fraction, the answer is 34/21
In mixed form: 113/21

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