Subtract 7/27 from 70/25, Solve 2 20/25

Subtract 7/27 from 70/25

1^st number: 2 20/25, 2^nd number: 7/27

70/25 - 7/27 is 343/135.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 27 is 675

Next, find the equivalent fraction of both fractional numbers with denominator 675
For the 1st fraction, since 25 × 27 = 675,
70/25 = 70 × 27/25 × 27 = 1890/675
Likewise, for the 2nd fraction, since 27 × 25 = 675,
7/27 = 7 × 25/27 × 25 = 175/675
Subtract the two like fractions:
1890/675 - 175/675 = 1890 - 175/675 = 1715/675
After reducing the fraction, the answer is 343/135
In mixed form: 273/135

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