Add 84/7 and 20/60
1st number: 12 0/7, 2nd number: 20/60
84/7 + 20/60 is 37/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 7 × 60 = 420,
84/7 = 84 × 60/7 × 60 = 5040/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
20/60 = 20 × 7/60 × 7 = 140/420 - Add the two like fractions:
5040/420 + 140/420 = 5040 + 140/420 = 5180/420 - 5180/420 simplified gives 37/3
- So, 84/7 + 20/60 = 37/3
In mixed form: 121/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7+40/60 84/14+20/60 84/21+20/60 84/35+20/60 84/49+20/60