Add 9/2 and 8/20
1st number: 4 1/2, 2nd number: 8/20
9/2 + 8/20 is 49/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
9/2 = 9 × 10/2 × 10 = 90/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
8/20 = 8 × 1/20 × 1 = 8/20 - Add the two like fractions:
90/20 + 8/20 = 90 + 8/20 = 98/20 - 98/20 simplified gives 49/10
- So, 9/2 + 8/20 = 49/10
In mixed form: 49/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/2+8/20 9/2+16/20 9/4+8/20 9/2+8/40 27/2+8/20 9/2+24/20 9/6+8/20 9/2+8/60 45/2+8/20 9/2+40/20 9/10+8/20 63/2+8/20 9/2+56/20 9/14+8/20