Add 2/45 and 42/10
1st number: 2/45, 2nd number: 4 2/10
2/45 + 42/10 is 191/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
2/45 = 2 × 2/45 × 2 = 4/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
42/10 = 42 × 9/10 × 9 = 378/90 - Add the two like fractions:
4/90 + 378/90 = 4 + 378/90 = 382/90 - 382/90 simplified gives 191/45
- So, 2/45 + 42/10 = 191/45
In mixed form: 411/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/45+42/10 2/45+84/10 2/90+42/10 2/45+42/20 6/45+42/10 2/45+42/30 10/45+42/10 2/45+42/50 14/45+42/10 2/45+42/70