Add 54/15 and 98/10
1st number: 3 9/15, 2nd number: 9 8/10
54/15 + 98/10 is 67/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
54/15 = 54 × 2/15 × 2 = 108/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
98/10 = 98 × 3/10 × 3 = 294/30 - Add the two like fractions:
108/30 + 294/30 = 108 + 294/30 = 402/30 - 402/30 simplified gives 67/5
- So, 54/15 + 98/10 = 67/5
In mixed form: 132/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30+98/10 54/15+98/20 54/45+98/10 54/15+98/30 54/75+98/10 54/15+98/50 54/15+98/70