Add 3/90 and 45/4
1st number: 3/90, 2nd number: 11 1/4
3/90 + 45/4 is 677/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
3/90 = 3 × 2/90 × 2 = 6/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
45/4 = 45 × 45/4 × 45 = 2025/180 - Add the two like fractions:
6/180 + 2025/180 = 6 + 2025/180 = 2031/180 - 2031/180 simplified gives 677/60
- So, 3/90 + 45/4 = 677/60
In mixed form: 1117/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90+45/4 3/90+90/4 3/90+45/8 9/90+45/4 3/90+45/12 15/90+45/4 3/90+45/20 21/90+45/4 3/90+45/28