Add 32/4 and 12/90
1st number: 8 0/4, 2nd number: 12/90
32/4 + 12/90 is 122/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
32/4 = 32 × 45/4 × 45 = 1440/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
12/90 = 12 × 2/90 × 2 = 24/180 - Add the two like fractions:
1440/180 + 24/180 = 1440 + 24/180 = 1464/180 - 1464/180 simplified gives 122/15
- So, 32/4 + 12/90 = 122/15
In mixed form: 82/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/4+12/90 32/4+24/90 32/8+12/90 96/4+12/90 32/4+36/90 32/12+12/90 32/4+60/90 32/20+12/90 32/4+84/90 32/28+12/90