Add 60/45 and 7/84
1st number: 1 15/45, 2nd number: 7/84
60/45 + 7/84 is 17/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
60/45 = 60 × 28/45 × 28 = 1680/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
7/84 = 7 × 15/84 × 15 = 105/1260 - Add the two like fractions:
1680/1260 + 105/1260 = 1680 + 105/1260 = 1785/1260 - 1785/1260 simplified gives 17/12
- So, 60/45 + 7/84 = 17/12
In mixed form: 15/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/45+14/84 60/90+7/84 60/45+21/84 60/45+35/84 60/45+49/84