Subtract 15/45 from 60/7
1st number: 8 4/7, 2nd number: 15/45
60/7 - 15/45 is 173/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
60/7 = 60 × 45/7 × 45 = 2700/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
15/45 = 15 × 7/45 × 7 = 105/315 - Subtract the two like fractions:
2700/315 - 105/315 = 2700 - 105/315 = 2595/315 - After reducing the fraction, the answer is 173/21
- In mixed form: 85/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/7-30/45 60/14-15/45 60/7-15/90 60/21-15/45 60/7-75/45 60/35-15/45 60/49-15/45