Subtract 50/45 from 16/70
1st number: 16/70, 2nd number: 1 5/45
16/70 - 50/45 is -278/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
16/70 = 16 × 9/70 × 9 = 144/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
50/45 = 50 × 14/45 × 14 = 700/630 - Subtract the two like fractions:
144/630 - 700/630 = 144 - 700/630 = -556/630 - After reducing the fraction, the answer is -278/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/70-50/45 16/70-50/90 48/70-50/45 80/70-50/45