Subtract 25/42 from 49/18, Solve 2 13/18

Subtract 25/42 from 49/18

1^st number: 2 13/18, 2^nd number: 25/42

49/18 - 25/42 is 134/63.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 42 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
49/18 = 49 × 7/18 × 7 = 343/126
Likewise, for the 2nd fraction, since 42 × 3 = 126,
25/42 = 25 × 3/42 × 3 = 75/126
Subtract the two like fractions:
343/126 - 75/126 = 343 - 75/126 = 268/126
After reducing the fraction, the answer is 134/63
In mixed form: 28/63

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