Subtract 15/70 from 16/5
1st number: 3 1/5, 2nd number: 15/70
16/5 - 15/70 is 209/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
16/5 = 16 × 14/5 × 14 = 224/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
15/70 = 15 × 1/70 × 1 = 15/70 - Subtract the two like fractions:
224/70 - 15/70 = 224 - 15/70 = 209/70 - In mixed form: 269/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/5-15/70 16/5-30/70 16/10-15/70 48/5-15/70 16/5-45/70 16/15-15/70 80/5-15/70 16/5-75/70 16/25-15/70 16/35-15/70