Subtract 98/21 from 20/60
1st number: 20/60, 2nd number: 4 14/21
20/60 - 98/21 is -13/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
20/60 = 20 × 7/60 × 7 = 140/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
98/21 = 98 × 20/21 × 20 = 1960/420 - Subtract the two like fractions:
140/420 - 1960/420 = 140 - 1960/420 = -1820/420 - After reducing the fraction, the answer is -13/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/60-98/21 20/60-98/42 20/60-98/63