Add 84/4 and 14/90
1st number: 21 0/4, 2nd number: 14/90
84/4 + 14/90 is 952/45.
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,
84/4 = 84 × 45/4 × 45 = 3780/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
14/90 = 14 × 2/90 × 2 = 28/180 - Add the two like fractions:
3780/180 + 28/180 = 3780 + 28/180 = 3808/180 - 3808/180 simplified gives 952/45
- So, 84/4 + 14/90 = 952/45
In mixed form: 217/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4+28/90 84/8+14/90 84/4+42/90 84/12+14/90 84/4+70/90 84/20+14/90 84/4+98/90 84/28+14/90