Add 10/45 and 84/20
1st number: 10/45, 2nd number: 4 4/20
10/45 + 84/20 is 199/45.
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,
10/45 = 10 × 4/45 × 4 = 40/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
84/20 = 84 × 9/20 × 9 = 756/180 - Add the two like fractions:
40/180 + 756/180 = 40 + 756/180 = 796/180 - 796/180 simplified gives 199/45
- So, 10/45 + 84/20 = 199/45
In mixed form: 419/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/45+84/20 10/90+84/20 10/45+84/40 30/45+84/20 10/45+84/60 50/45+84/20 70/45+84/20