Subtract 18/10 from 20/48
1st number: 20/48, 2nd number: 1 8/10
20/48 - 18/10 is -83/60.
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,
20/48 = 20 × 5/48 × 5 = 100/240 - Likewise, for the 2nd fraction, since 10 × 24 = 240,
18/10 = 18 × 24/10 × 24 = 432/240 - Subtract the two like fractions:
100/240 - 432/240 = 100 - 432/240 = -332/240 - After reducing the fraction, the answer is -83/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/48-18/10 20/48-36/10 20/96-18/10 20/48-18/20 60/48-18/10 20/48-54/10 20/48-18/30 20/48-90/10 20/48-18/50 20/48-18/70