Add 40/12 and 6/45
1st number: 3 4/12, 2nd number: 6/45
40/12 + 6/45 is 52/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
40/12 = 40 × 15/12 × 15 = 600/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
6/45 = 6 × 4/45 × 4 = 24/180 - Add the two like fractions:
600/180 + 24/180 = 600 + 24/180 = 624/180 - 624/180 simplified gives 52/15
- So, 40/12 + 6/45 = 52/15
In mixed form: 37/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12+6/45 40/12+12/45 40/24+6/45 40/12+6/90 40/12+18/45 40/36+6/45 40/12+30/45 40/60+6/45 40/12+42/45 40/84+6/45