Add 90/2 and 21/75
1st number: 45 0/2, 2nd number: 21/75
90/2 + 21/75 is 1132/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 2 × 75 = 150,
90/2 = 90 × 75/2 × 75 = 6750/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
21/75 = 21 × 2/75 × 2 = 42/150 - Add the two like fractions:
6750/150 + 42/150 = 6750 + 42/150 = 6792/150 - 6792/150 simplified gives 1132/25
- So, 90/2 + 21/75 = 1132/25
In mixed form: 457/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2+42/75 90/4+21/75 90/2+63/75 90/6+21/75 90/10+21/75 90/14+21/75