Subtract 70/49 from 1/4, Solve 1/4 - 1 21/49 as a fraction

Subtract 70/49 from 1/4

1^st number: 1/4, 2^nd number: 1 21/49

1/4 - 70/49 is -33/28.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 49 is 196

Next, find the equivalent fraction of both fractional numbers with denominator 196
For the 1st fraction, since 4 × 49 = 196,
1/4 = 1 × 49/4 × 49 = 49/196
Likewise, for the 2nd fraction, since 49 × 4 = 196,
70/49 = 70 × 4/49 × 4 = 280/196
Subtract the two like fractions:
49/196 - 280/196 = 49 - 280/196 = -231/196
After reducing the fraction, the answer is -33/28

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