Add 50/4 and 70/90
1st number: 12 2/4, 2nd number: 70/90
50/4 + 70/90 is 239/18.
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,
50/4 = 50 × 45/4 × 45 = 2250/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
70/90 = 70 × 2/90 × 2 = 140/180 - Add the two like fractions:
2250/180 + 140/180 = 2250 + 140/180 = 2390/180 - 2390/180 simplified gives 239/18
- So, 50/4 + 70/90 = 239/18
In mixed form: 135/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8+70/90 50/12+70/90 50/20+70/90 50/28+70/90