Add 5/70 and 30/60
5/70 + 30/60 is 4/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
5/70 = 5 × 6/70 × 6 = 30/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
30/60 = 30 × 7/60 × 7 = 210/420 - Add the two like fractions:
30/420 + 210/420 = 30 + 210/420 = 240/420 - 240/420 simplified gives 4/7
- So, 5/70 + 30/60 = 4/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/70+30/60 15/70+30/60 5/70+90/60 25/70+30/60 35/70+30/60