Add 60/21 and 54/84
1st number: 2 18/21, 2nd number: 54/84
60/21 + 54/84 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
60/21 = 60 × 4/21 × 4 = 240/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
54/84 = 54 × 1/84 × 1 = 54/84 - Add the two like fractions:
240/84 + 54/84 = 240 + 54/84 = 294/84 - 294/84 simplified gives 7/2
- So, 60/21 + 54/84 = 7/2
In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/42+54/84 60/63+54/84