Add 42/35 and 6/90
1st number: 1 7/35, 2nd number: 6/90
42/35 + 6/90 is 19/15.
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,
42/35 = 42 × 18/35 × 18 = 756/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
6/90 = 6 × 7/90 × 7 = 42/630 - Add the two like fractions:
756/630 + 42/630 = 756 + 42/630 = 798/630 - 798/630 simplified gives 19/15
- So, 42/35 + 6/90 = 19/15
In mixed form: 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/35+6/90 42/35+12/90 42/70+6/90 42/35+18/90 42/35+30/90 42/35+42/90