Add 10/90 and 42/10
1st number: 10/90, 2nd number: 4 2/10
10/90 + 42/10 is 194/45.
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,
10/90 = 10 × 1/90 × 1 = 10/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
42/10 = 42 × 9/10 × 9 = 378/90 - Add the two like fractions:
10/90 + 378/90 = 10 + 378/90 = 388/90 - 388/90 simplified gives 194/45
- So, 10/90 + 42/10 = 194/45
In mixed form: 414/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90+42/10 10/90+84/10 10/90+42/20 30/90+42/10 10/90+42/30 50/90+42/10 10/90+42/50 70/90+42/10 10/90+42/70