Subtract 25/42 from 15/9, Solve 1 6/9

Subtract 25/42 from 15/9

1^st number: 1 6/9, 2^nd number: 25/42

15/9 - 25/42 is 15/14.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 9 × 14 = 126,
15/9 = 15 × 14/9 × 14 = 210/126
Likewise, for the 2nd fraction, since 42 × 3 = 126,
25/42 = 25 × 3/42 × 3 = 75/126
Subtract the two like fractions:
210/126 - 75/126 = 210 - 75/126 = 135/126
After reducing the fraction, the answer is 15/14
In mixed form: 11/14

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