Add 3/84 and 60/45
1st number: 3/84, 2nd number: 1 15/45
3/84 + 60/45 is 115/84.
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,
3/84 = 3 × 15/84 × 15 = 45/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
60/45 = 60 × 28/45 × 28 = 1680/1260 - Add the two like fractions:
45/1260 + 1680/1260 = 45 + 1680/1260 = 1725/1260 - 1725/1260 simplified gives 115/84
- So, 3/84 + 60/45 = 115/84
In mixed form: 131/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/84+60/45 3/84+60/90 9/84+60/45 15/84+60/45 21/84+60/45