Subtract 28/45 from 32/7
1st number: 4 4/7, 2nd number: 28/45
32/7 - 28/45 is 1244/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
32/7 = 32 × 45/7 × 45 = 1440/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
28/45 = 28 × 7/45 × 7 = 196/315 - Subtract the two like fractions:
1440/315 - 196/315 = 1440 - 196/315 = 1244/315 - In mixed form: 3299/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/7-28/45 32/7-56/45 32/14-28/45 32/7-28/90 96/7-28/45 32/7-84/45 32/21-28/45 32/35-28/45 32/49-28/45