Add 72/48 and 15/70
1st number: 1 24/48, 2nd number: 15/70
72/48 + 15/70 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 70 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 48 × 35 = 1680,
72/48 = 72 × 35/48 × 35 = 2520/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
15/70 = 15 × 24/70 × 24 = 360/1680 - Add the two like fractions:
2520/1680 + 360/1680 = 2520 + 360/1680 = 2880/1680 - 2880/1680 simplified gives 12/7
- So, 72/48 + 15/70 = 12/7
In mixed form: 15/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/48+30/70 72/96+15/70 72/48+45/70 72/48+75/70