Subtract 16/20 from 70/40
1st number: 1 30/40, 2nd number: 16/20
70/40 - 16/20 is 19/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
70/40 = 70 × 1/40 × 1 = 70/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
16/20 = 16 × 2/20 × 2 = 32/40 - Subtract the two like fractions:
70/40 - 32/40 = 70 - 32/40 = 38/40 - After reducing the fraction, the answer is 19/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40-32/20 70/80-16/20 70/40-16/40 70/40-48/20 70/40-16/60 70/40-80/20