Subtract 28/48 from 10/30
10/30 - 28/48 is -1/4.
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,
10/30 = 10 × 8/30 × 8 = 80/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
28/48 = 28 × 5/48 × 5 = 140/240 - Subtract the two like fractions:
80/240 - 140/240 = 80 - 140/240 = -60/240 - After reducing the fraction, the answer is -1/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30-28/48 10/30-56/48 10/60-28/48 10/30-28/96 10/30-84/48 10/90-28/48 50/30-28/48 70/30-28/48