Subtract 70/45 from 4/48
1st number: 4/48, 2nd number: 1 25/45
4/48 - 70/45 is -53/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
4/48 = 4 × 15/48 × 15 = 60/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
70/45 = 70 × 16/45 × 16 = 1120/720 - Subtract the two like fractions:
60/720 - 1120/720 = 60 - 1120/720 = -1060/720 - After reducing the fraction, the answer is -53/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/48-70/45 4/96-70/45 4/48-70/90 12/48-70/45 20/48-70/45 28/48-70/45