Subtract 21/7 from 98/50
1st number: 1 48/50, 2nd number: 3 0/7
98/50 - 21/7 is -26/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 7 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
98/50 = 98 × 7/50 × 7 = 686/350 - Likewise, for the 2nd fraction, since 7 × 50 = 350,
21/7 = 21 × 50/7 × 50 = 1050/350 - Subtract the two like fractions:
686/350 - 1050/350 = 686 - 1050/350 = -364/350 - After reducing the fraction, the answer is -26/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/50-42/7 98/50-21/14 98/50-63/7 98/50-21/35 98/50-21/49