Add 35/84 and 15/45
35/84 + 15/45 is 3/4.
Steps for adding 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,
35/84 = 35 × 15/84 × 15 = 525/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
15/45 = 15 × 28/45 × 28 = 420/1260 - Add the two like fractions:
525/1260 + 420/1260 = 525 + 420/1260 = 945/1260 - 945/1260 simplified gives 3/4
- So, 35/84 + 15/45 = 3/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84+15/45 35/84+30/45 35/84+15/90 35/84+75/45