Add 27/18 and 25/70
1st number: 1 9/18, 2nd number: 25/70
27/18 + 25/70 is 13/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
27/18 = 27 × 35/18 × 35 = 945/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
25/70 = 25 × 9/70 × 9 = 225/630 - Add the two like fractions:
945/630 + 225/630 = 945 + 225/630 = 1170/630 - 1170/630 simplified gives 13/7
- So, 27/18 + 25/70 = 13/7
In mixed form: 16/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18+25/70 27/18+50/70 27/36+25/70 81/18+25/70 27/18+75/70 27/54+25/70 27/90+25/70