Subtract 9/36 from 30/28
1st number: 1 2/28, 2nd number: 9/36
30/28 - 9/36 is 23/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
30/28 = 30 × 9/28 × 9 = 270/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
9/36 = 9 × 7/36 × 7 = 63/252 - Subtract the two like fractions:
270/252 - 63/252 = 270 - 63/252 = 207/252 - After reducing the fraction, the answer is 23/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28-9/36 30/28-18/36 30/56-9/36 30/28-9/72 90/28-9/36 30/28-27/36 30/84-9/36 30/28-45/36 30/28-63/36