Add 90/50 and 70/45
1st number: 1 40/50, 2nd number: 1 25/45
90/50 + 70/45 is 151/45.
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,
90/50 = 90 × 9/50 × 9 = 810/450 - Likewise, for the 2nd fraction, since 45 × 10 = 450,
70/45 = 70 × 10/45 × 10 = 700/450 - Add the two like fractions:
810/450 + 700/450 = 810 + 700/450 = 1510/450 - 1510/450 simplified gives 151/45
- So, 90/50 + 70/45 = 151/45
In mixed form: 316/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50+70/90