Subtract 30/45 from 90/6
1st number: 15 0/6, 2nd number: 30/45
90/6 - 30/45 is 43/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
90/6 = 90 × 15/6 × 15 = 1350/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
30/45 = 30 × 2/45 × 2 = 60/90 - Subtract the two like fractions:
1350/90 - 60/90 = 1350 - 60/90 = 1290/90 - After reducing the fraction, the answer is 43/3
- In mixed form: 141/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6-60/45 90/12-30/45 90/6-30/90 90/6-90/45 90/18-30/45 90/30-30/45 90/42-30/45