Add 21/6 and 70/60
1st number: 3 3/6, 2nd number: 1 10/60
21/6 + 70/60 is 14/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
21/6 = 21 × 10/6 × 10 = 210/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
70/60 = 70 × 1/60 × 1 = 70/60 - Add the two like fractions:
210/60 + 70/60 = 210 + 70/60 = 280/60 - 280/60 simplified gives 14/3
- So, 21/6 + 70/60 = 14/3
In mixed form: 42/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6+70/60 21/12+70/60 63/6+70/60 21/18+70/60 21/30+70/60 21/42+70/60