Subtract 9/16 from 70/40, Solve 1 30/40

Subtract 9/16 from 70/40

1^st number: 1 30/40, 2^nd number: 9/16

70/40 - 9/16 is 19/16.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 16 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 40 × 2 = 80,
70/40 = 70 × 2/40 × 2 = 140/80
Likewise, for the 2nd fraction, since 16 × 5 = 80,
9/16 = 9 × 5/16 × 5 = 45/80
Subtract the two like fractions:
140/80 - 45/80 = 140 - 45/80 = 95/80
After reducing the fraction, the answer is 19/16
In mixed form: 13/16

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