Subtract 7/48 from 15/30
15/30 - 7/48 is 17/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
15/30 = 15 × 8/30 × 8 = 120/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
7/48 = 7 × 5/48 × 5 = 35/240 - Subtract the two like fractions:
120/240 - 35/240 = 120 - 35/240 = 85/240 - After reducing the fraction, the answer is 17/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/30-14/48 15/60-7/48 15/30-7/96 45/30-7/48 15/30-21/48 15/90-7/48 75/30-7/48 15/30-35/48 15/30-49/48