Add 72/15 and 28/48
1st number: 4 12/15, 2nd number: 28/48
72/15 + 28/48 is 323/60.
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,
28/48 = 28 × 5/48 × 5 = 140/240 - Add the two like fractions:
1152/240 + 140/240 = 1152 + 140/240 = 1292/240 - 1292/240 simplified gives 323/60
- So, 72/15 + 28/48 = 323/60
In mixed form: 523/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/15+56/48 72/30+28/48 72/15+28/96 72/15+84/48 72/45+28/48 72/75+28/48