Subtract 5/27 from 70/20, Solve 3 10/20

Subtract 5/27 from 70/20

1^st number: 3 10/20, 2^nd number: 5/27

70/20 - 5/27 is 179/54.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540

Next, find the equivalent fraction of both fractional numbers with denominator 540
For the 1st fraction, since 20 × 27 = 540,
70/20 = 70 × 27/20 × 27 = 1890/540
Likewise, for the 2nd fraction, since 27 × 20 = 540,
5/27 = 5 × 20/27 × 20 = 100/540
Subtract the two like fractions:
1890/540 - 100/540 = 1890 - 100/540 = 1790/540
After reducing the fraction, the answer is 179/54
In mixed form: 317/54

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