Subtract 81/48 from 5/30
1st number: 5/30, 2nd number: 1 33/48
5/30 - 81/48 is -73/48.
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,
5/30 = 5 × 8/30 × 8 = 40/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
81/48 = 81 × 5/48 × 5 = 405/240 - Subtract the two like fractions:
40/240 - 405/240 = 40 - 405/240 = -365/240 - After reducing the fraction, the answer is -73/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/30-81/48 5/60-81/48 5/30-81/96 15/30-81/48 5/90-81/48 25/30-81/48 35/30-81/48