Subtract 1/49 from 27/21, Solve 1 6/21

Subtract 1/49 from 27/21

1^st number: 1 6/21, 2^nd number: 1/49

27/21 - 1/49 is 62/49.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147

Next, find the equivalent fraction of both fractional numbers with denominator 147
For the 1st fraction, since 21 × 7 = 147,
27/21 = 27 × 7/21 × 7 = 189/147
Likewise, for the 2nd fraction, since 49 × 3 = 147,
1/49 = 1 × 3/49 × 3 = 3/147
Subtract the two like fractions:
189/147 - 3/147 = 189 - 3/147 = 186/147
After reducing the fraction, the answer is 62/49
In mixed form: 113/49

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