Add 6/7 and 20/60
6/7 + 20/60 is 25/21.
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,
6/7 = 6 × 60/7 × 60 = 360/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
20/60 = 20 × 7/60 × 7 = 140/420 - Add the two like fractions:
360/420 + 140/420 = 360 + 140/420 = 500/420 - 500/420 simplified gives 25/21
- So, 6/7 + 20/60 = 25/21
In mixed form: 14/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/7+20/60 6/7+40/60 6/14+20/60 18/7+20/60 6/21+20/60 30/7+20/60 6/35+20/60 42/7+20/60 6/49+20/60