Add 72/60 and 5/84
1st number: 1 12/60, 2nd number: 5/84
72/60 + 5/84 is 529/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
72/60 = 72 × 7/60 × 7 = 504/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
5/84 = 5 × 5/84 × 5 = 25/420 - Add the two like fractions:
504/420 + 25/420 = 504 + 25/420 = 529/420 - So, 72/60 + 5/84 = 529/420
In mixed form: 1109/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/60+10/84 72/60+15/84 72/60+25/84 72/60+35/84