Add 7/50 and 90/81
1st number: 7/50, 2nd number: 1 9/81
7/50 + 90/81 is 563/450.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 81 is 4050
Next, find the equivalent fraction of both fractional numbers with denominator 4050 - For the 1st fraction, since 50 × 81 = 4050,
7/50 = 7 × 81/50 × 81 = 567/4050 - Likewise, for the 2nd fraction, since 81 × 50 = 4050,
90/81 = 90 × 50/81 × 50 = 4500/4050 - Add the two like fractions:
567/4050 + 4500/4050 = 567 + 4500/4050 = 5067/4050 - 5067/4050 simplified gives 563/450
- So, 7/50 + 90/81 = 563/450
In mixed form: 1113/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/50+90/81 21/50+90/81 35/50+90/81 49/50+90/81