Add 5/35 and 18/90
5/35 + 18/90 is 12/35.
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,
5/35 = 5 × 18/35 × 18 = 90/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
18/90 = 18 × 7/90 × 7 = 126/630 - Add the two like fractions:
90/630 + 126/630 = 90 + 126/630 = 216/630 - 216/630 simplified gives 12/35
- So, 5/35 + 18/90 = 12/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/35+18/90 5/35+36/90 5/70+18/90 15/35+18/90 5/35+54/90 25/35+18/90