Subtract 36/30 from 4/28
1st number: 4/28, 2nd number: 1 6/30
4/28 - 36/30 is -37/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
4/28 = 4 × 15/28 × 15 = 60/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
36/30 = 36 × 14/30 × 14 = 504/420 - Subtract the two like fractions:
60/420 - 504/420 = 60 - 504/420 = -444/420 - After reducing the fraction, the answer is -37/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/28-36/30 4/28-72/30 4/56-36/30 4/28-36/60 12/28-36/30 4/84-36/30 4/28-36/90 20/28-36/30