Add 5/60 and 20/70
5/60 + 20/70 is 31/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
5/60 = 5 × 7/60 × 7 = 35/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
20/70 = 20 × 6/70 × 6 = 120/420 - Add the two like fractions:
35/420 + 120/420 = 35 + 120/420 = 155/420 - 155/420 simplified gives 31/84
- So, 5/60 + 20/70 = 31/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/60+20/70 5/60+40/70 15/60+20/70 5/60+60/70 25/60+20/70 35/60+20/70