Subtract 48/45 from 8/30
1st number: 8/30, 2nd number: 1 3/45
8/30 - 48/45 is -4/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
8/30 = 8 × 3/30 × 3 = 24/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
48/45 = 48 × 2/45 × 2 = 96/90 - Subtract the two like fractions:
24/90 - 96/90 = 24 - 96/90 = -72/90 - After reducing the fraction, the answer is -4/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30-48/45 8/30-96/45 8/60-48/45 8/30-48/90 24/30-48/45 8/90-48/45 40/30-48/45 56/30-48/45