Add 18/90 and 50/4
1st number: 18/90, 2nd number: 12 2/4
18/90 + 50/4 is 127/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
18/90 = 18 × 2/90 × 2 = 36/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
50/4 = 50 × 45/4 × 45 = 2250/180 - Add the two like fractions:
36/180 + 2250/180 = 36 + 2250/180 = 2286/180 - 2286/180 simplified gives 127/10
- So, 18/90 + 50/4 = 127/10
In mixed form: 127/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/90+50/4 18/90+50/8 54/90+50/4 18/90+50/12 18/90+50/20 18/90+50/28