Subtract 35/14 from 30/20, Solve 1 10/20

Subtract 35/14 from 30/20

1^st number: 1 10/20, 2^nd number: 2 7/14

30/20 - 35/14 is -1/1.

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

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 20 × 7 = 140,
30/20 = 30 × 7/20 × 7 = 210/140
Likewise, for the 2nd fraction, since 14 × 10 = 140,
35/14 = 35 × 10/14 × 10 = 350/140
Subtract the two like fractions:
210/140 - 350/140 = 210 - 350/140 = -140/140
After reducing the fraction, the answer is -1/1

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