Add 50/90 and 7/84
50/90 + 7/84 is 23/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
50/90 = 50 × 14/90 × 14 = 700/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
7/84 = 7 × 15/84 × 15 = 105/1260 - Add the two like fractions:
700/1260 + 105/1260 = 700 + 105/1260 = 805/1260 - 805/1260 simplified gives 23/36
- So, 50/90 + 7/84 = 23/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/90+14/84 50/90+21/84 50/90+35/84 50/90+49/84