Subtract 21/36 from 70/25
1st number: 2 20/25, 2nd number: 21/36
70/25 - 21/36 is 133/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 25 × 36 = 900,
70/25 = 70 × 36/25 × 36 = 2520/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
21/36 = 21 × 25/36 × 25 = 525/900 - Subtract the two like fractions:
2520/900 - 525/900 = 2520 - 525/900 = 1995/900 - After reducing the fraction, the answer is 133/60
- In mixed form: 213/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/25-42/36 70/50-21/36 70/25-21/72 70/25-63/36 70/75-21/36