Subtract 70/7 from 2/45
1st number: 2/45, 2nd number: 10 0/7
2/45 - 70/7 is -448/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 7 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
2/45 = 2 × 7/45 × 7 = 14/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
70/7 = 70 × 45/7 × 45 = 3150/315 - Subtract the two like fractions:
14/315 - 3150/315 = 14 - 3150/315 = -3136/315 - After reducing the fraction, the answer is -448/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/45-70/7 2/90-70/7 2/45-70/14 6/45-70/7 2/45-70/21 10/45-70/7 2/45-70/35 14/45-70/7 2/45-70/49