Subtract 70/49 from 2/18, Solve 2/18

Subtract 70/49 from 2/18

1^st number: 2/18, 2^nd number: 1 21/49

2/18 - 70/49 is -83/63.

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,
2/18 = 2 × 49/18 × 49 = 98/882
Likewise, for the 2nd fraction, since 49 × 18 = 882,
70/49 = 70 × 18/49 × 18 = 1260/882
Subtract the two like fractions:
98/882 - 1260/882 = 98 - 1260/882 = -1162/882
After reducing the fraction, the answer is -83/63

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