Subtract 32/30 from 28/8
1st number: 3 4/8, 2nd number: 1 2/30
28/8 - 32/30 is 73/30.
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,
32/30 = 32 × 4/30 × 4 = 128/120 - Subtract the two like fractions:
420/120 - 128/120 = 420 - 128/120 = 292/120 - After reducing the fraction, the answer is 73/30
- In mixed form: 213/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8-32/30 28/8-64/30 28/16-32/30 28/8-32/60 84/8-32/30 28/8-96/30 28/24-32/30 28/8-32/90 28/40-32/30 28/56-32/30