Add 50/9 and 90/70
1st number: 5 5/9, 2nd number: 1 20/70
50/9 + 90/70 is 431/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
50/9 = 50 × 70/9 × 70 = 3500/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
90/70 = 90 × 9/70 × 9 = 810/630 - Add the two like fractions:
3500/630 + 810/630 = 3500 + 810/630 = 4310/630 - 4310/630 simplified gives 431/63
- So, 50/9 + 90/70 = 431/63
In mixed form: 653/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18+90/70 50/27+90/70 50/45+90/70 50/63+90/70