Add 28/48 and 72/15
1st number: 28/48, 2nd number: 4 12/15
28/48 + 72/15 is 323/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
28/48 = 28 × 5/48 × 5 = 140/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
72/15 = 72 × 16/15 × 16 = 1152/240 - Add the two like fractions:
140/240 + 1152/240 = 140 + 1152/240 = 1292/240 - 1292/240 simplified gives 323/60
- So, 28/48 + 72/15 = 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: 56/48+72/15 28/96+72/15 28/48+72/30 84/48+72/15 28/48+72/45 28/48+72/75