Add 42/10 and 6/45
1st number: 4 2/10, 2nd number: 6/45
42/10 + 6/45 is 13/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
42/10 = 42 × 9/10 × 9 = 378/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
6/45 = 6 × 2/45 × 2 = 12/90 - Add the two like fractions:
378/90 + 12/90 = 378 + 12/90 = 390/90 - 390/90 simplified gives 13/3
- So, 42/10 + 6/45 = 13/3
In mixed form: 41/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+6/45 42/10+12/45 42/20+6/45 42/10+6/90 42/10+18/45 42/30+6/45 42/10+30/45 42/50+6/45 42/10+42/45 42/70+6/45