Add 90/4 and 18/15
1st number: 22 2/4, 2nd number: 1 3/15
90/4 + 18/15 is 237/10.
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,
18/15 = 18 × 4/15 × 4 = 72/60 - Add the two like fractions:
1350/60 + 72/60 = 1350 + 72/60 = 1422/60 - 1422/60 simplified gives 237/10
- So, 90/4 + 18/15 = 237/10
In mixed form: 237/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+36/15 90/8+18/15 90/4+18/30 90/4+54/15 90/12+18/15 90/4+18/45 90/4+90/15 90/20+18/15 90/4+18/75 90/28+18/15