Add 72/15 and 84/48
1st number: 4 12/15, 2nd number: 1 36/48
72/15 + 84/48 is 131/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
72/15 = 72 × 16/15 × 16 = 1152/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
84/48 = 84 × 5/48 × 5 = 420/240 - Add the two like fractions:
1152/240 + 420/240 = 1152 + 420/240 = 1572/240 - 1572/240 simplified gives 131/20
- So, 72/15 + 84/48 = 131/20
In mixed form: 611/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30+84/48 72/15+84/96 72/45+84/48 72/75+84/48