Add 9/45 and 14/70
9/45 + 14/70 is 2/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
9/45 = 9 × 14/45 × 14 = 126/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
14/70 = 14 × 9/70 × 9 = 126/630 - Add the two like fractions:
126/630 + 126/630 = 126 + 126/630 = 252/630 - 252/630 simplified gives 2/5
- So, 9/45 + 14/70 = 2/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45+14/70 9/45+28/70 9/90+14/70 27/45+14/70 9/45+42/70 63/45+14/70 9/45+98/70