Add 42/6 and 42/90
1st number: 7 0/6, 2nd number: 42/90
42/6 + 42/90 is 112/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
42/6 = 42 × 15/6 × 15 = 630/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
42/90 = 42 × 1/90 × 1 = 42/90 - Add the two like fractions:
630/90 + 42/90 = 630 + 42/90 = 672/90 - 672/90 simplified gives 112/15
- So, 42/6 + 42/90 = 112/15
In mixed form: 77/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/6+42/90 42/6+84/90 42/12+42/90 42/18+42/90 42/30+42/90