Add 45/50 and 70/45
1st number: 45/50, 2nd number: 1 25/45
45/50 + 70/45 is 221/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 45 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
45/50 = 45 × 9/50 × 9 = 405/450 - Likewise, for the 2nd fraction, since 45 × 10 = 450,
70/45 = 70 × 10/45 × 10 = 700/450 - Add the two like fractions:
405/450 + 700/450 = 405 + 700/450 = 1105/450 - 1105/450 simplified gives 221/90
- So, 45/50 + 70/45 = 221/90
In mixed form: 241/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50+70/45 45/50+70/90