Subtract 7/72 from 48/70
48/70 - 7/72 is 1483/2520.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 70 × 36 = 2520,
48/70 = 48 × 36/70 × 36 = 1728/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
7/72 = 7 × 35/72 × 35 = 245/2520 - Subtract the two like fractions:
1728/2520 - 245/2520 = 1728 - 245/2520 = 1483/2520
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/70-7/72 48/70-14/72 48/70-21/72 48/70-35/72 48/70-49/72