Subtract 9/10 from 70/25, Solve 2 20/25

Subtract 9/10 from 70/25

1^st number: 2 20/25, 2^nd number: 9/10

70/25 - 9/10 is 19/10.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 10 is 50

Next, find the equivalent fraction of both fractional numbers with denominator 50
For the 1st fraction, since 25 × 2 = 50,
70/25 = 70 × 2/25 × 2 = 140/50
Likewise, for the 2nd fraction, since 10 × 5 = 50,
9/10 = 9 × 5/10 × 5 = 45/50
Subtract the two like fractions:
140/50 - 45/50 = 140 - 45/50 = 95/50
After reducing the fraction, the answer is 19/10
In mixed form: 19/10

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