Subtract 4/10 from 18/48
18/48 - 4/10 is -1/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 10 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
18/48 = 18 × 5/48 × 5 = 90/240 - Likewise, for the 2nd fraction, since 10 × 24 = 240,
4/10 = 4 × 24/10 × 24 = 96/240 - Subtract the two like fractions:
90/240 - 96/240 = 90 - 96/240 = -6/240 - After reducing the fraction, the answer is -1/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/48-4/10 18/48-8/10 18/96-4/10 18/48-4/20 54/48-4/10 18/48-12/10 18/48-4/30 90/48-4/10 18/48-20/10 18/48-4/50 18/48-28/10 18/48-4/70