Add 15/12 and 70/5
1st number: 1 3/12, 2nd number: 14 0/5
15/12 + 70/5 is 61/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
15/12 = 15 × 5/12 × 5 = 75/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
70/5 = 70 × 12/5 × 12 = 840/60 - Add the two like fractions:
75/60 + 840/60 = 75 + 840/60 = 915/60 - 915/60 simplified gives 61/4
- So, 15/12 + 70/5 = 61/4
In mixed form: 151/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12+70/5 15/24+70/5 15/12+70/10 45/12+70/5 15/36+70/5 15/12+70/15 75/12+70/5 15/60+70/5 15/12+70/25 15/84+70/5 15/12+70/35