Subtract 20/70 from 28/24
1st number: 1 4/24, 2nd number: 20/70
28/24 - 20/70 is 37/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 70 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 24 × 35 = 840,
28/24 = 28 × 35/24 × 35 = 980/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
20/70 = 20 × 12/70 × 12 = 240/840 - Subtract the two like fractions:
980/840 - 240/840 = 980 - 240/840 = 740/840 - After reducing the fraction, the answer is 37/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/24-20/70 28/24-40/70 28/48-20/70 84/24-20/70 28/24-60/70 28/72-20/70