Subtract 3/28 from 30/60
30/60 - 3/28 is 11/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
30/60 = 30 × 7/60 × 7 = 210/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
3/28 = 3 × 15/28 × 15 = 45/420 - Subtract the two like fractions:
210/420 - 45/420 = 210 - 45/420 = 165/420 - After reducing the fraction, the answer is 11/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60-6/28 30/60-3/56 90/60-3/28 30/60-9/28 30/60-3/84 30/60-15/28 30/60-21/28