Subtract 5/70 from 70/28, Solve 2 14/28

Subtract 5/70 from 70/28

1^st number: 2 14/28, 2^nd number: 5/70

70/28 - 5/70 is 17/7.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 28 × 5 = 140,
70/28 = 70 × 5/28 × 5 = 350/140
Likewise, for the 2nd fraction, since 70 × 2 = 140,
5/70 = 5 × 2/70 × 2 = 10/140
Subtract the two like fractions:
350/140 - 10/140 = 350 - 10/140 = 340/140
After reducing the fraction, the answer is 17/7
In mixed form: 23/7

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