Subtract 30/45 from 90/27
1st number: 3 9/27, 2nd number: 30/45
90/27 - 30/45 is 8/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
90/27 = 90 × 5/27 × 5 = 450/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
30/45 = 30 × 3/45 × 3 = 90/135 - Subtract the two like fractions:
450/135 - 90/135 = 450 - 90/135 = 360/135 - After reducing the fraction, the answer is 8/3
- In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/27-60/45 90/54-30/45 90/27-30/90 90/27-90/45 90/81-30/45