Subtract 4/20 from 98/84
1st number: 1 14/84, 2nd number: 4/20
98/84 - 4/20 is 29/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
98/84 = 98 × 5/84 × 5 = 490/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
4/20 = 4 × 21/20 × 21 = 84/420 - Subtract the two like fractions:
490/420 - 84/420 = 490 - 84/420 = 406/420 - After reducing the fraction, the answer is 29/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/84-8/20 98/84-4/40 98/84-12/20 98/84-4/60 98/84-28/20