Subtract 30/27 from 35/20
1st number: 1 15/20, 2nd number: 1 3/27
35/20 - 30/27 is 23/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
35/20 = 35 × 27/20 × 27 = 945/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
30/27 = 30 × 20/27 × 20 = 600/540 - Subtract the two like fractions:
945/540 - 600/540 = 945 - 600/540 = 345/540 - After reducing the fraction, the answer is 23/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20-30/27 35/20-60/27 35/40-30/27 35/20-30/54 35/20-90/27 35/60-30/27 35/20-30/81