Subtract 3/60 from 28/63
28/63 - 3/60 is 71/180.
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,
28/63 = 28 × 20/63 × 20 = 560/1260 - Likewise, for the 2nd fraction, since 60 × 21 = 1260,
3/60 = 3 × 21/60 × 21 = 63/1260 - Subtract the two like fractions:
560/1260 - 63/1260 = 560 - 63/1260 = 497/1260 - After reducing the fraction, the answer is 71/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63-3/60 28/63-6/60 84/63-3/60 28/63-9/60 28/63-15/60 28/63-21/60