Add 15/48 and 72/40
1st number: 15/48, 2nd number: 1 32/40
15/48 + 72/40 is 169/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 40 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
15/48 = 15 × 5/48 × 5 = 75/240 - Likewise, for the 2nd fraction, since 40 × 6 = 240,
72/40 = 72 × 6/40 × 6 = 432/240 - Add the two like fractions:
75/240 + 432/240 = 75 + 432/240 = 507/240 - 507/240 simplified gives 169/80
- So, 15/48 + 72/40 = 169/80
In mixed form: 29/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/48+72/40 15/96+72/40 15/48+72/80 45/48+72/40 75/48+72/40