Subtract 20/40 from 84/50
1st number: 1 34/50, 2nd number: 20/40
84/50 - 20/40 is 59/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
84/50 = 84 × 4/50 × 4 = 336/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
20/40 = 20 × 5/40 × 5 = 100/200 - Subtract the two like fractions:
336/200 - 100/200 = 336 - 100/200 = 236/200 - After reducing the fraction, the answer is 59/50
- In mixed form: 19/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/50-20/80 84/50-60/40