Subtract 70/45 from 98/50
1st number: 1 48/50, 2nd number: 1 25/45
98/50 - 70/45 is 91/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 45 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
98/50 = 98 × 9/50 × 9 = 882/450 - Likewise, for the 2nd fraction, since 45 × 10 = 450,
70/45 = 70 × 10/45 × 10 = 700/450 - Subtract the two like fractions:
882/450 - 700/450 = 882 - 700/450 = 182/450 - After reducing the fraction, the answer is 91/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/50-70/90