Add 9/70 and 18/45
9/70 + 18/45 is 37/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
9/70 = 9 × 9/70 × 9 = 81/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
18/45 = 18 × 14/45 × 14 = 252/630 - Add the two like fractions:
81/630 + 252/630 = 81 + 252/630 = 333/630 - 333/630 simplified gives 37/70
- So, 9/70 + 18/45 = 37/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/70+18/45 9/70+36/45 9/70+18/90 27/70+18/45 9/70+54/45 45/70+18/45 9/70+90/45 63/70+18/45