Add 75/84 and 50/90
75/84 + 50/90 is 365/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
75/84 = 75 × 15/84 × 15 = 1125/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
50/90 = 50 × 14/90 × 14 = 700/1260 - Add the two like fractions:
1125/1260 + 700/1260 = 1125 + 700/1260 = 1825/1260 - 1825/1260 simplified gives 365/252
- So, 75/84 + 50/90 = 365/252
In mixed form: 1113/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: