Subtract 60/30 from 28/8
1st number: 3 4/8, 2nd number: 2 0/30
28/8 - 60/30 is 3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 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 30 × 4 = 120,
60/30 = 60 × 4/30 × 4 = 240/120 - Subtract the two like fractions:
420/120 - 240/120 = 420 - 240/120 = 180/120 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8-60/30 28/16-60/30 84/8-60/30 28/24-60/30 28/8-60/90 28/40-60/30 28/56-60/30