Add 25/70 and 5/18
25/70 + 5/18 is 40/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
25/70 = 25 × 9/70 × 9 = 225/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
5/18 = 5 × 35/18 × 35 = 175/630 - Add the two like fractions:
225/630 + 175/630 = 225 + 175/630 = 400/630 - 400/630 simplified gives 40/63
- So, 25/70 + 5/18 = 40/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70+5/18 25/70+10/18 25/70+5/36 75/70+5/18 25/70+15/18 25/70+5/54 25/70+25/18 25/70+5/90 25/70+35/18