Subtract 90/50 from 24/84
1st number: 24/84, 2nd number: 1 40/50
24/84 - 90/50 is -53/35.
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,
24/84 = 24 × 25/84 × 25 = 600/2100 - Likewise, for the 2nd fraction, since 50 × 42 = 2100,
90/50 = 90 × 42/50 × 42 = 3780/2100 - Subtract the two like fractions:
600/2100 - 3780/2100 = 600 - 3780/2100 = -3180/2100 - After reducing the fraction, the answer is -53/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/84-90/50 72/84-90/50