Add 12/72 and 15/10
1st number: 12/72, 2nd number: 1 5/10
12/72 + 15/10 is 5/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 10 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
12/72 = 12 × 5/72 × 5 = 60/360 - Likewise, for the 2nd fraction, since 10 × 36 = 360,
15/10 = 15 × 36/10 × 36 = 540/360 - Add the two like fractions:
60/360 + 540/360 = 60 + 540/360 = 600/360 - 600/360 simplified gives 5/3
- So, 12/72 + 15/10 = 5/3
In mixed form: 12/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/72+15/10 12/72+30/10 12/72+15/20 36/72+15/10 12/72+45/10 12/72+15/30 60/72+15/10 12/72+75/10 12/72+15/50 84/72+15/10 12/72+15/70