Subtract 70/50 from 98/84
1st number: 1 14/84, 2nd number: 1 20/50
98/84 - 70/50 is -7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 50 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
98/84 = 98 × 25/84 × 25 = 2450/2100 - Likewise, for the 2nd fraction, since 50 × 42 = 2100,
70/50 = 70 × 42/50 × 42 = 2940/2100 - Subtract the two like fractions:
2450/2100 - 2940/2100 = 2450 - 2940/2100 = -490/2100 - After reducing the fraction, the answer is -7/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: