Subtract 21/36 from 98/70
1st number: 1 28/70, 2nd number: 21/36
98/70 - 21/36 is 49/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 70 × 18 = 1260,
98/70 = 98 × 18/70 × 18 = 1764/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
21/36 = 21 × 35/36 × 35 = 735/1260 - Subtract the two like fractions:
1764/1260 - 735/1260 = 1764 - 735/1260 = 1029/1260 - After reducing the fraction, the answer is 49/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70-42/36 98/70-21/72 98/70-63/36