Subtract 9/28 from 35/30
1st number: 1 5/30, 2nd number: 9/28
35/30 - 9/28 is 71/84.
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,
35/30 = 35 × 14/30 × 14 = 490/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
9/28 = 9 × 15/28 × 15 = 135/420 - Subtract the two like fractions:
490/420 - 135/420 = 490 - 135/420 = 355/420 - After reducing the fraction, the answer is 71/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30-9/28 35/30-18/28 35/60-9/28 35/30-9/56 35/30-27/28 35/90-9/28 35/30-9/84 35/30-45/28 35/30-63/28