Subtract 10/49 from 30/18, Solve 1 12/18

Subtract 10/49 from 30/18

1^st number: 1 12/18, 2^nd number: 10/49

30/18 - 10/49 is 215/147.

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,
30/18 = 30 × 49/18 × 49 = 1470/882
Likewise, for the 2nd fraction, since 49 × 18 = 882,
10/49 = 10 × 18/49 × 18 = 180/882
Subtract the two like fractions:
1470/882 - 180/882 = 1470 - 180/882 = 1290/882
After reducing the fraction, the answer is 215/147
In mixed form: 168/147

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