Add 4/70 and 18/9
1st number: 4/70, 2nd number: 2 0/9
4/70 + 18/9 is 72/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
4/70 = 4 × 9/70 × 9 = 36/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
18/9 = 18 × 70/9 × 70 = 1260/630 - Add the two like fractions:
36/630 + 1260/630 = 36 + 1260/630 = 1296/630 - 1296/630 simplified gives 72/35
- So, 4/70 + 18/9 = 72/35
In mixed form: 22/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/70+18/9 4/70+36/9 12/70+18/9 4/70+54/9 4/70+18/27 20/70+18/9 4/70+90/9 4/70+18/45 28/70+18/9 4/70+18/63