Add 90/4 and 12/30
1st number: 22 2/4, 2nd number: 12/30
90/4 + 12/30 is 229/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 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 30 × 2 = 60,
12/30 = 12 × 2/30 × 2 = 24/60 - Add the two like fractions:
1350/60 + 24/60 = 1350 + 24/60 = 1374/60 - 1374/60 simplified gives 229/10
- So, 90/4 + 12/30 = 229/10
In mixed form: 229/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+24/30 90/8+12/30 90/4+12/60 90/4+36/30 90/12+12/30 90/4+12/90 90/4+60/30 90/20+12/30 90/4+84/30 90/28+12/30