Add 4/18 and 80/70
1st number: 4/18, 2nd number: 1 10/70
4/18 + 80/70 is 86/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
4/18 = 4 × 35/18 × 35 = 140/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
80/70 = 80 × 9/70 × 9 = 720/630 - Add the two like fractions:
140/630 + 720/630 = 140 + 720/630 = 860/630 - 860/630 simplified gives 86/63
- So, 4/18 + 80/70 = 86/63
In mixed form: 123/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/18+80/70 4/36+80/70 12/18+80/70 4/54+80/70 20/18+80/70 4/90+80/70 28/18+80/70