Subtract 4/60 from 18/63
18/63 - 4/60 is 23/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 60 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
18/63 = 18 × 20/63 × 20 = 360/1260 - Likewise, for the 2nd fraction, since 60 × 21 = 1260,
4/60 = 4 × 21/60 × 21 = 84/1260 - Subtract the two like fractions:
360/1260 - 84/1260 = 360 - 84/1260 = 276/1260 - After reducing the fraction, the answer is 23/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63-4/60 18/63-8/60 54/63-4/60 18/63-12/60 90/63-4/60 18/63-20/60 18/63-28/60