Subtract 27/24 from 28/35
1st number: 28/35, 2nd number: 1 3/24
28/35 - 27/24 is -13/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 35 × 24 = 840,
28/35 = 28 × 24/35 × 24 = 672/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
27/24 = 27 × 35/24 × 35 = 945/840 - Subtract the two like fractions:
672/840 - 945/840 = 672 - 945/840 = -273/840 - After reducing the fraction, the answer is -13/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/35-27/24 28/35-54/24 28/70-27/24 28/35-27/48 84/35-27/24 28/35-81/24 28/35-27/72