Add 90/9 and 42/5
1st number: 10 0/9, 2nd number: 8 2/5
90/9 + 42/5 is 92/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
90/9 = 90 × 5/9 × 5 = 450/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
42/5 = 42 × 9/5 × 9 = 378/45 - Add the two like fractions:
450/45 + 378/45 = 450 + 378/45 = 828/45 - 828/45 simplified gives 92/5
- So, 90/9 + 42/5 = 92/5
In mixed form: 182/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9+84/5 90/18+42/5 90/9+42/10 90/27+42/5 90/9+42/15 90/45+42/5 90/9+42/25 90/63+42/5 90/9+42/35