Add 9/30 and 54/15
1st number: 9/30, 2nd number: 3 9/15
9/30 + 54/15 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
9/30 = 9 × 1/30 × 1 = 9/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
54/15 = 54 × 2/15 × 2 = 108/30 - Add the two like fractions:
9/30 + 108/30 = 9 + 108/30 = 117/30 - 117/30 simplified gives 39/10
- So, 9/30 + 54/15 = 39/10
In mixed form: 39/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30+54/15 9/60+54/15 9/30+54/30 27/30+54/15 9/90+54/15 9/30+54/45 45/30+54/15 9/30+54/75 63/30+54/15