Add 25/35 and 9/90
25/35 + 9/90 is 57/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
25/35 = 25 × 18/35 × 18 = 450/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
9/90 = 9 × 7/90 × 7 = 63/630 - Add the two like fractions:
450/630 + 63/630 = 450 + 63/630 = 513/630 - 513/630 simplified gives 57/70
- So, 25/35 + 9/90 = 57/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/35+9/90 25/35+18/90 25/70+9/90 75/35+9/90 25/35+27/90 25/35+45/90 25/35+63/90