Subtract 63/98 from 80/60
1st number: 1 20/60, 2nd number: 63/98
80/60 - 63/98 is 29/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 98 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 60 × 49 = 2940,
80/60 = 80 × 49/60 × 49 = 3920/2940 - Likewise, for the 2nd fraction, since 98 × 30 = 2940,
63/98 = 63 × 30/98 × 30 = 1890/2940 - Subtract the two like fractions:
3920/2940 - 1890/2940 = 3920 - 1890/2940 = 2030/2940 - After reducing the fraction, the answer is 29/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: