Subtract 40/30 from 7/48
1st number: 7/48, 2nd number: 1 10/30
7/48 - 40/30 is -19/16.
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,
7/48 = 7 × 5/48 × 5 = 35/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
40/30 = 40 × 8/30 × 8 = 320/240 - Subtract the two like fractions:
35/240 - 320/240 = 35 - 320/240 = -285/240 - After reducing the fraction, the answer is -19/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/48-40/30 7/48-80/30 7/96-40/30 7/48-40/60 21/48-40/30 7/48-40/90 35/48-40/30 49/48-40/30