Add 70/12 and 25/30
1st number: 5 10/12, 2nd number: 25/30
70/12 + 25/30 is 20/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
70/12 = 70 × 5/12 × 5 = 350/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
25/30 = 25 × 2/30 × 2 = 50/60 - Add the two like fractions:
350/60 + 50/60 = 350 + 50/60 = 400/60 - 400/60 simplified gives 20/3
- So, 70/12 + 25/30 = 20/3
In mixed form: 62/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+50/30 70/24+25/30 70/12+25/60 70/12+75/30 70/36+25/30 70/12+25/90 70/60+25/30 70/84+25/30