Subtract 15/8 from 18/98
1st number: 18/98, 2nd number: 1 7/8
18/98 - 15/8 is -663/392.
Steps for subtracting fractions
- 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,
18/98 = 18 × 4/98 × 4 = 72/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
15/8 = 15 × 49/8 × 49 = 735/392 - Subtract the two like fractions:
72/392 - 735/392 = 72 - 735/392 = -663/392
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