Add 90/4 and 3/15
1st number: 22 2/4, 2nd number: 3/15
90/4 + 3/15 is 227/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
90/4 = 90 × 15/4 × 15 = 1350/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
3/15 = 3 × 4/15 × 4 = 12/60 - Add the two like fractions:
1350/60 + 12/60 = 1350 + 12/60 = 1362/60 - 1362/60 simplified gives 227/10
- So, 90/4 + 3/15 = 227/10
In mixed form: 227/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+6/15 90/8+3/15 90/4+3/30 90/4+9/15 90/12+3/15 90/4+3/45 90/20+3/15 90/4+3/75 90/4+21/15 90/28+3/15