Subtract 72/50 from 49/84
1st number: 49/84, 2nd number: 1 22/50
49/84 - 72/50 is -257/300.
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,
49/84 = 49 × 25/84 × 25 = 1225/2100 - Likewise, for the 2nd fraction, since 50 × 42 = 2100,
72/50 = 72 × 42/50 × 42 = 3024/2100 - Subtract the two like fractions:
1225/2100 - 3024/2100 = 1225 - 3024/2100 = -1799/2100 - After reducing the fraction, the answer is -257/300
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/84-72/50