Add 56/5 and 42/90
1st number: 11 1/5, 2nd number: 42/90
56/5 + 42/90 is 35/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
56/5 = 56 × 18/5 × 18 = 1008/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
42/90 = 42 × 1/90 × 1 = 42/90 - Add the two like fractions:
1008/90 + 42/90 = 1008 + 42/90 = 1050/90 - 1050/90 simplified gives 35/3
- So, 56/5 + 42/90 = 35/3
In mixed form: 112/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5+84/90 56/10+42/90 56/15+42/90 56/25+42/90 56/35+42/90