Subtract 36/45 from 50/84
50/84 - 36/45 is -43/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
50/84 = 50 × 15/84 × 15 = 750/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
36/45 = 36 × 28/45 × 28 = 1008/1260 - Subtract the two like fractions:
750/1260 - 1008/1260 = 750 - 1008/1260 = -258/1260 - After reducing the fraction, the answer is -43/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84-72/45 50/84-36/90