Add 30/70 and 25/9
1st number: 30/70, 2nd number: 2 7/9
30/70 + 25/9 is 202/63.
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,
30/70 = 30 × 9/70 × 9 = 270/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
25/9 = 25 × 70/9 × 70 = 1750/630 - Add the two like fractions:
270/630 + 1750/630 = 270 + 1750/630 = 2020/630 - 2020/630 simplified gives 202/63
- So, 30/70 + 25/9 = 202/63
In mixed form: 313/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70+25/9 30/70+50/9 30/70+25/18 90/70+25/9 30/70+75/9 30/70+25/27 30/70+25/45 30/70+25/63