Subtract 2/70 from 50/45
1st number: 1 5/45, 2nd number: 2/70
50/45 - 2/70 is 341/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
50/45 = 50 × 14/45 × 14 = 700/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
2/70 = 2 × 9/70 × 9 = 18/630 - Subtract the two like fractions:
700/630 - 18/630 = 700 - 18/630 = 682/630 - After reducing the fraction, the answer is 341/315
- In mixed form: 126/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/45-4/70 50/90-2/70 50/45-6/70 50/45-10/70 50/45-14/70