Add 4/45 and 84/20
1st number: 4/45, 2nd number: 4 4/20
4/45 + 84/20 is 193/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
4/45 = 4 × 4/45 × 4 = 16/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
84/20 = 84 × 9/20 × 9 = 756/180 - Add the two like fractions:
16/180 + 756/180 = 16 + 756/180 = 772/180 - 772/180 simplified gives 193/45
- So, 4/45 + 84/20 = 193/45
In mixed form: 413/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45+84/20 4/90+84/20 4/45+84/40 12/45+84/20 4/45+84/60 20/45+84/20 28/45+84/20