Add 45/2 and 42/45
1st number: 22 1/2, 2nd number: 42/45
45/2 + 42/45 is 703/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
45/2 = 45 × 45/2 × 45 = 2025/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
42/45 = 42 × 2/45 × 2 = 84/90 - Add the two like fractions:
2025/90 + 84/90 = 2025 + 84/90 = 2109/90 - 2109/90 simplified gives 703/30
- So, 45/2 + 42/45 = 703/30
In mixed form: 2313/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2+42/45 45/2+84/45 45/4+42/45 45/2+42/90 45/6+42/45 45/10+42/45 45/14+42/45