Subtract 70/20 from 4/14, Solve 4/14

Subtract 70/20 from 4/14

1^st number: 4/14, 2^nd number: 3 10/20

4/14 - 70/20 is -45/14.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 14 × 10 = 140,
4/14 = 4 × 10/14 × 10 = 40/140
Likewise, for the 2nd fraction, since 20 × 7 = 140,
70/20 = 70 × 7/20 × 7 = 490/140
Subtract the two like fractions:
40/140 - 490/140 = 40 - 490/140 = -450/140
After reducing the fraction, the answer is -45/14

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