Subtract 2/7 from 45/9
1st number: 5 0/9, 2nd number: 2/7
45/9 - 2/7 is 33/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
45/9 = 45 × 7/9 × 7 = 315/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
2/7 = 2 × 9/7 × 9 = 18/63 - Subtract the two like fractions:
315/63 - 18/63 = 315 - 18/63 = 297/63 - After reducing the fraction, the answer is 33/7
- In mixed form: 45/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9-2/7 45/9-4/7 45/18-2/7 45/9-2/14 45/9-6/7 45/27-2/7 45/9-2/21 45/9-10/7 45/9-2/35 45/9-14/7 45/63-2/7 45/9-2/49