Add 72/35 and 6/90
1st number: 2 2/35, 2nd number: 6/90
72/35 + 6/90 is 223/105.
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,
72/35 = 72 × 18/35 × 18 = 1296/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
6/90 = 6 × 7/90 × 7 = 42/630 - Add the two like fractions:
1296/630 + 42/630 = 1296 + 42/630 = 1338/630 - 1338/630 simplified gives 223/105
- So, 72/35 + 6/90 = 223/105
In mixed form: 213/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/35+12/90 72/70+6/90 72/35+18/90 72/35+30/90 72/35+42/90