Add 20/70 and 24/6
1st number: 20/70, 2nd number: 4 0/6
20/70 + 24/6 is 30/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 6 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
20/70 = 20 × 3/70 × 3 = 60/210 - Likewise, for the 2nd fraction, since 6 × 35 = 210,
24/6 = 24 × 35/6 × 35 = 840/210 - Add the two like fractions:
60/210 + 840/210 = 60 + 840/210 = 900/210 - 900/210 simplified gives 30/7
- So, 20/70 + 24/6 = 30/7
In mixed form: 42/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/70+24/6 20/70+48/6 20/70+24/12 60/70+24/6 20/70+72/6 20/70+24/18 20/70+24/30 20/70+24/42