Add 3/2 and 54/15
1st number: 1 1/2, 2nd number: 3 9/15
3/2 + 54/15 is 51/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
3/2 = 3 × 15/2 × 15 = 45/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
54/15 = 54 × 2/15 × 2 = 108/30 - Add the two like fractions:
45/30 + 108/30 = 45 + 108/30 = 153/30 - 153/30 simplified gives 51/10
- So, 3/2 + 54/15 = 51/10
In mixed form: 51/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2+54/15 3/4+54/15 3/2+54/30 9/2+54/15 3/6+54/15 3/2+54/45 15/2+54/15 3/10+54/15 3/2+54/75 21/2+54/15 3/14+54/15