Add 9/45 and 4/70
9/45 + 4/70 is 9/35.
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,
4/70 = 4 × 9/70 × 9 = 36/630 - Add the two like fractions:
126/630 + 36/630 = 126 + 36/630 = 162/630 - 162/630 simplified gives 9/35
- So, 9/45 + 4/70 = 9/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45+4/70 9/45+8/70 9/90+4/70 27/45+4/70 9/45+12/70 9/45+20/70 63/45+4/70 9/45+28/70