Add 98/8 and 20/5
1st number: 12 2/8, 2nd number: 4 0/5
98/8 + 20/5 is 65/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
98/8 = 98 × 5/8 × 5 = 490/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
20/5 = 20 × 8/5 × 8 = 160/40 - Add the two like fractions:
490/40 + 160/40 = 490 + 160/40 = 650/40 - 650/40 simplified gives 65/4
- So, 98/8 + 20/5 = 65/4
In mixed form: 161/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/8+40/5 98/16+20/5 98/8+20/10 98/8+60/5 98/24+20/5 98/8+20/15 98/40+20/5 98/8+20/25 98/56+20/5 98/8+20/35