Add 45/70 and 1/18
45/70 + 1/18 is 44/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
45/70 = 45 × 9/70 × 9 = 405/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
1/18 = 1 × 35/18 × 35 = 35/630 - Add the two like fractions:
405/630 + 35/630 = 405 + 35/630 = 440/630 - 440/630 simplified gives 44/63
- So, 45/70 + 1/18 = 44/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70+1/18 45/70+2/18 45/70+1/36 45/70+3/18 45/70+1/54 45/70+5/18 45/70+1/90 45/70+7/18