Subtract 18/60 from 28/8
1st number: 3 4/8, 2nd number: 18/60
28/8 - 18/60 is 16/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
28/8 = 28 × 15/8 × 15 = 420/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
18/60 = 18 × 2/60 × 2 = 36/120 - Subtract the two like fractions:
420/120 - 36/120 = 420 - 36/120 = 384/120 - After reducing the fraction, the answer is 16/5
- In mixed form: 31/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8-18/60 28/8-36/60 28/16-18/60 84/8-18/60 28/8-54/60 28/24-18/60 28/8-90/60 28/40-18/60 28/56-18/60