Add 72/50 and 98/90
1st number: 1 22/50, 2nd number: 1 8/90
72/50 + 98/90 is 569/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
72/50 = 72 × 9/50 × 9 = 648/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
98/90 = 98 × 5/90 × 5 = 490/450 - Add the two like fractions:
648/450 + 490/450 = 648 + 490/450 = 1138/450 - 1138/450 simplified gives 569/225
- So, 72/50 + 98/90 = 569/225
In mixed form: 2119/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: