Add 60/84 and 84/21
1st number: 60/84, 2nd number: 4 0/21
60/84 + 84/21 is 33/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
60/84 = 60 × 1/84 × 1 = 60/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
84/21 = 84 × 4/21 × 4 = 336/84 - Add the two like fractions:
60/84 + 336/84 = 60 + 336/84 = 396/84 - 396/84 simplified gives 33/7
- So, 60/84 + 84/21 = 33/7
In mixed form: 45/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/84+84/42 60/84+84/63