Add 72/12 and 60/70
1st number: 6 0/12, 2nd number: 60/70
72/12 + 60/70 is 48/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
72/12 = 72 × 35/12 × 35 = 2520/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
60/70 = 60 × 6/70 × 6 = 360/420 - Add the two like fractions:
2520/420 + 360/420 = 2520 + 360/420 = 2880/420 - 2880/420 simplified gives 48/7
- So, 72/12 + 60/70 = 48/7
In mixed form: 66/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/24+60/70 72/36+60/70 72/60+60/70 72/84+60/70