Subtract 48/70 from 45/18
1st number: 2 9/18, 2nd number: 48/70
45/18 - 48/70 is 127/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
45/18 = 45 × 35/18 × 35 = 1575/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
48/70 = 48 × 9/70 × 9 = 432/630 - Subtract the two like fractions:
1575/630 - 432/630 = 1575 - 432/630 = 1143/630 - After reducing the fraction, the answer is 127/70
- In mixed form: 157/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18-48/70 45/18-96/70 45/36-48/70 45/54-48/70 45/90-48/70