Subtract 18/70 from 16/9
1st number: 1 7/9, 2nd number: 18/70
16/9 - 18/70 is 479/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
16/9 = 16 × 70/9 × 70 = 1120/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
18/70 = 18 × 9/70 × 9 = 162/630 - Subtract the two like fractions:
1120/630 - 162/630 = 1120 - 162/630 = 958/630 - After reducing the fraction, the answer is 479/315
- In mixed form: 1164/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/9-18/70 16/9-36/70 16/18-18/70 48/9-18/70 16/9-54/70 16/27-18/70 80/9-18/70 16/9-90/70 16/45-18/70 16/63-18/70