Add 42/10 and 5/45
1st number: 4 2/10, 2nd number: 5/45
42/10 + 5/45 is 194/45.
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,
5/45 = 5 × 2/45 × 2 = 10/90 - Add the two like fractions:
378/90 + 10/90 = 378 + 10/90 = 388/90 - 388/90 simplified gives 194/45
- So, 42/10 + 5/45 = 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: 84/10+5/45 42/10+10/45 42/20+5/45 42/10+5/90 42/10+15/45 42/30+5/45 42/10+25/45 42/50+5/45 42/10+35/45 42/70+5/45