Add 42/36 and 5/45
1st number: 1 6/36, 2nd number: 5/45
42/36 + 5/45 is 23/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
42/36 = 42 × 5/36 × 5 = 210/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
5/45 = 5 × 4/45 × 4 = 20/180 - Add the two like fractions:
210/180 + 20/180 = 210 + 20/180 = 230/180 - 230/180 simplified gives 23/18
- So, 42/36 + 5/45 = 23/18
In mixed form: 15/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/36+5/45 42/36+10/45 42/72+5/45 42/36+5/90 42/36+15/45 42/36+25/45 42/36+35/45