Subtract 32/7 from 70/45
1st number: 1 25/45, 2nd number: 4 4/7
70/45 - 32/7 is -190/63.
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,
70/45 = 70 × 7/45 × 7 = 490/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
32/7 = 32 × 45/7 × 45 = 1440/315 - Subtract the two like fractions:
490/315 - 1440/315 = 490 - 1440/315 = -950/315 - After reducing the fraction, the answer is -190/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/45-64/7 70/90-32/7 70/45-32/14 70/45-96/7 70/45-32/21 70/45-32/35 70/45-32/49