Subtract 3/28 from 36/30
1st number: 1 6/30, 2nd number: 3/28
36/30 - 3/28 is 153/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
36/30 = 36 × 14/30 × 14 = 504/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
3/28 = 3 × 15/28 × 15 = 45/420 - Subtract the two like fractions:
504/420 - 45/420 = 504 - 45/420 = 459/420 - After reducing the fraction, the answer is 153/140
- In mixed form: 113/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30-3/28 36/30-6/28 36/60-3/28 36/30-3/56 36/30-9/28 36/90-3/28 36/30-3/84 36/30-15/28 36/30-21/28