Subtract 48/45 from 4/7
1st number: 4/7, 2nd number: 1 3/45
4/7 - 48/45 is -52/105.
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,
4/7 = 4 × 45/7 × 45 = 180/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
48/45 = 48 × 7/45 × 7 = 336/315 - Subtract the two like fractions:
180/315 - 336/315 = 180 - 336/315 = -156/315 - After reducing the fraction, the answer is -52/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7-48/45 4/7-96/45 4/14-48/45 4/7-48/90 12/7-48/45 4/21-48/45 20/7-48/45 4/35-48/45 28/7-48/45 4/49-48/45