Subtract 54/8 from 70/98
1st number: 70/98, 2nd number: 6 6/8
70/98 - 54/8 is -169/28.
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,
70/98 = 70 × 4/98 × 4 = 280/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
54/8 = 54 × 49/8 × 49 = 2646/392 - Subtract the two like fractions:
280/392 - 2646/392 = 280 - 2646/392 = -2366/392 - After reducing the fraction, the answer is -169/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/98-54/16 70/98-54/24 70/98-54/40 70/98-54/56