Subtract 18/8 from 63/98
1st number: 63/98, 2nd number: 2 2/8
63/98 - 18/8 is -45/28.
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,
63/98 = 63 × 4/98 × 4 = 252/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
18/8 = 18 × 49/8 × 49 = 882/392 - Subtract the two like fractions:
252/392 - 882/392 = 252 - 882/392 = -630/392 - After reducing the fraction, the answer is -45/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/98-36/8 63/98-18/16 63/98-54/8 63/98-18/24 63/98-90/8 63/98-18/40 63/98-18/56