Add 6/63 and 80/70
1st number: 6/63, 2nd number: 1 10/70
6/63 + 80/70 is 26/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
6/63 = 6 × 10/63 × 10 = 60/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
80/70 = 80 × 9/70 × 9 = 720/630 - Add the two like fractions:
60/630 + 720/630 = 60 + 720/630 = 780/630 - 780/630 simplified gives 26/21
- So, 6/63 + 80/70 = 26/21
In mixed form: 15/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/63+80/70 18/63+80/70 30/63+80/70 42/63+80/70