Subtract 63/48 from 18/60
1st number: 18/60, 2nd number: 1 15/48
18/60 - 63/48 is -81/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
18/60 = 18 × 4/60 × 4 = 72/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
63/48 = 63 × 5/48 × 5 = 315/240 - Subtract the two like fractions:
72/240 - 315/240 = 72 - 315/240 = -243/240 - After reducing the fraction, the answer is -81/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/60-63/48 18/60-63/96 54/60-63/48 90/60-63/48