Add 12/15 and 72/4
1st number: 12/15, 2nd number: 18 0/4
12/15 + 72/4 is 94/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
12/15 = 12 × 4/15 × 4 = 48/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
72/4 = 72 × 15/4 × 15 = 1080/60 - Add the two like fractions:
48/60 + 1080/60 = 48 + 1080/60 = 1128/60 - 1128/60 simplified gives 94/5
- So, 12/15 + 72/4 = 94/5
In mixed form: 184/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15+72/4 12/30+72/4 12/15+72/8 36/15+72/4 12/45+72/4 12/15+72/12 60/15+72/4 12/75+72/4 12/15+72/20 84/15+72/4 12/15+72/28