Subtract 7/49 from 40/18, Solve 2 4/18

Subtract 7/49 from 40/18

1^st number: 2 4/18, 2^nd number: 7/49

40/18 - 7/49 is 131/63.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 49 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 18 × 49 = 882,
40/18 = 40 × 49/18 × 49 = 1960/882
Likewise, for the 2nd fraction, since 49 × 18 = 882,
7/49 = 7 × 18/49 × 18 = 126/882
Subtract the two like fractions:
1960/882 - 126/882 = 1960 - 126/882 = 1834/882
After reducing the fraction, the answer is 131/63
In mixed form: 25/63

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