Subtract 98/63 from 80/60
1st number: 1 20/60, 2nd number: 1 35/63
80/60 - 98/63 is -2/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 60 × 21 = 1260,
80/60 = 80 × 21/60 × 21 = 1680/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
98/63 = 98 × 20/63 × 20 = 1960/1260 - Subtract the two like fractions:
1680/1260 - 1960/1260 = 1680 - 1960/1260 = -280/1260 - After reducing the fraction, the answer is -2/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: