Subtract 28/40 from 36/8
1st number: 4 4/8, 2nd number: 28/40
36/8 - 28/40 is 19/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
36/8 = 36 × 5/8 × 5 = 180/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
28/40 = 28 × 1/40 × 1 = 28/40 - Subtract the two like fractions:
180/40 - 28/40 = 180 - 28/40 = 152/40 - After reducing the fraction, the answer is 19/5
- In mixed form: 34/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/8-28/40 36/8-56/40 36/16-28/40 36/8-28/80 36/8-84/40 36/24-28/40 36/40-28/40 36/56-28/40