Subtract 7/50 from 84/18
1st number: 4 12/18, 2nd number: 7/50
84/18 - 7/50 is 679/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
84/18 = 84 × 25/18 × 25 = 2100/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
7/50 = 7 × 9/50 × 9 = 63/450 - Subtract the two like fractions:
2100/450 - 63/450 = 2100 - 63/450 = 2037/450 - After reducing the fraction, the answer is 679/150
- In mixed form: 479/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18-14/50 84/36-7/50 84/18-21/50 84/54-7/50 84/18-35/50 84/90-7/50 84/18-49/50