Add 1/18 and 45/70
1/18 + 45/70 is 44/63.
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,
1/18 = 1 × 35/18 × 35 = 35/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
45/70 = 45 × 9/70 × 9 = 405/630 - Add the two like fractions:
35/630 + 405/630 = 35 + 405/630 = 440/630 - 440/630 simplified gives 44/63
- So, 1/18 + 45/70 = 44/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18+45/70 1/18+90/70 1/36+45/70 3/18+45/70 1/54+45/70 5/18+45/70 1/90+45/70 7/18+45/70