Add 30/9 and 5/70
1st number: 3 3/9, 2nd number: 5/70
30/9 + 5/70 is 143/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
30/9 = 30 × 70/9 × 70 = 2100/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
5/70 = 5 × 9/70 × 9 = 45/630 - Add the two like fractions:
2100/630 + 45/630 = 2100 + 45/630 = 2145/630 - 2145/630 simplified gives 143/42
- So, 30/9 + 5/70 = 143/42
In mixed form: 317/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9+5/70 30/9+10/70 30/18+5/70 90/9+5/70 30/9+15/70 30/27+5/70 30/9+25/70 30/45+5/70 30/9+35/70 30/63+5/70