Subtract 28/30 from 1/48
1/48 - 28/30 is -73/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
1/48 = 1 × 5/48 × 5 = 5/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
28/30 = 28 × 8/30 × 8 = 224/240 - Subtract the two like fractions:
5/240 - 224/240 = 5 - 224/240 = -219/240 - After reducing the fraction, the answer is -73/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/48-28/30 1/48-56/30 1/96-28/30 1/48-28/60 3/48-28/30 1/48-84/30 1/48-28/90 5/48-28/30 7/48-28/30