Add 16/90 and 42/10
1st number: 16/90, 2nd number: 4 2/10
16/90 + 42/10 is 197/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
16/90 = 16 × 1/90 × 1 = 16/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
42/10 = 42 × 9/10 × 9 = 378/90 - Add the two like fractions:
16/90 + 378/90 = 16 + 378/90 = 394/90 - 394/90 simplified gives 197/45
- So, 16/90 + 42/10 = 197/45
In mixed form: 417/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/90+42/10 16/90+84/10 16/90+42/20 48/90+42/10 16/90+42/30 80/90+42/10 16/90+42/50 16/90+42/70