Add 64/45 and 80/50
1st number: 1 19/45, 2nd number: 1 30/50
64/45 + 80/50 is 136/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 45 × 10 = 450,
64/45 = 64 × 10/45 × 10 = 640/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
80/50 = 80 × 9/50 × 9 = 720/450 - Add the two like fractions:
640/450 + 720/450 = 640 + 720/450 = 1360/450 - 1360/450 simplified gives 136/45
- So, 64/45 + 80/50 = 136/45
In mixed form: 31/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/90+80/50