Add 45/9 and 50/70
1st number: 5 0/9, 2nd number: 50/70
45/9 + 50/70 is 40/7.
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,
45/9 = 45 × 70/9 × 70 = 3150/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
50/70 = 50 × 9/70 × 9 = 450/630 - Add the two like fractions:
3150/630 + 450/630 = 3150 + 450/630 = 3600/630 - 3600/630 simplified gives 40/7
- So, 45/9 + 50/70 = 40/7
In mixed form: 55/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9+50/70 45/18+50/70 45/27+50/70 45/63+50/70