Subtract 28/48 from 5/30
5/30 - 28/48 is -5/12.
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,
5/30 = 5 × 8/30 × 8 = 40/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
28/48 = 28 × 5/48 × 5 = 140/240 - Subtract the two like fractions:
40/240 - 140/240 = 40 - 140/240 = -100/240 - After reducing the fraction, the answer is -5/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/30-28/48 5/30-56/48 5/60-28/48 5/30-28/96 15/30-28/48 5/30-84/48 5/90-28/48 25/30-28/48 35/30-28/48