Subtract 2/7 from 45/36
1st number: 1 9/36, 2nd number: 2/7
45/36 - 2/7 is 27/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
45/36 = 45 × 7/36 × 7 = 315/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
2/7 = 2 × 36/7 × 36 = 72/252 - Subtract the two like fractions:
315/252 - 72/252 = 315 - 72/252 = 243/252 - After reducing the fraction, the answer is 27/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/36-2/7 45/36-4/7 45/72-2/7 45/36-2/14 45/36-6/7 45/36-2/21 45/36-10/7 45/36-2/35 45/36-14/7 45/36-2/49