Add 90/15 and 72/5
1st number: 6 0/15, 2nd number: 14 2/5
90/15 + 72/5 is 102/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 15 × 1 = 15,
90/15 = 90 × 1/15 × 1 = 90/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
72/5 = 72 × 3/5 × 3 = 216/15 - Add the two like fractions:
90/15 + 216/15 = 90 + 216/15 = 306/15 - 306/15 simplified gives 102/5
- So, 90/15 + 72/5 = 102/5
In mixed form: 202/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+72/5 90/15+72/10 90/45+72/5 90/15+72/15 90/75+72/5 90/15+72/25 90/15+72/35