Subtract 18/8 from 45/98, Solve 45/98

Subtract 18/8 from 45/98

1^st number: 45/98, 2^nd number: 2 2/8

45/98 - 18/8 is -351/196.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 8 is 392

Next, find the equivalent fraction of both fractional numbers with denominator 392
For the 1st fraction, since 98 × 4 = 392,
45/98 = 45 × 4/98 × 4 = 180/392
Likewise, for the 2nd fraction, since 8 × 49 = 392,
18/8 = 18 × 49/8 × 49 = 882/392
Subtract the two like fractions:
180/392 - 882/392 = 180 - 882/392 = -702/392
After reducing the fraction, the answer is -351/196

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