Subtract 1/21 from 70/48, Solve 1 22/48

Subtract 1/21 from 70/48

1^st number: 1 22/48, 2^nd number: 1/21

70/48 - 1/21 is 79/56.

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 48 × 7 = 336,
70/48 = 70 × 7/48 × 7 = 490/336
Likewise, for the 2nd fraction, since 21 × 16 = 336,
1/21 = 1 × 16/21 × 16 = 16/336
Subtract the two like fractions:
490/336 - 16/336 = 490 - 16/336 = 474/336
After reducing the fraction, the answer is 79/56
In mixed form: 123/56

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