Subtract 12/45 from 35/7
1st number: 5 0/7, 2nd number: 12/45
35/7 - 12/45 is 71/15.
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,
35/7 = 35 × 45/7 × 45 = 1575/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
12/45 = 12 × 7/45 × 7 = 84/315 - Subtract the two like fractions:
1575/315 - 84/315 = 1575 - 84/315 = 1491/315 - After reducing the fraction, the answer is 71/15
- In mixed form: 411/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/7-12/45 35/7-24/45 35/14-12/45 35/7-12/90 35/7-36/45 35/21-12/45 35/7-60/45 35/7-84/45 35/49-12/45