Add 98/20 and 40/5
1st number: 4 18/20, 2nd number: 8 0/5
98/20 + 40/5 is 129/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
98/20 = 98 × 1/20 × 1 = 98/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
40/5 = 40 × 4/5 × 4 = 160/20 - Add the two like fractions:
98/20 + 160/20 = 98 + 160/20 = 258/20 - 258/20 simplified gives 129/10
- So, 98/20 + 40/5 = 129/10
In mixed form: 129/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20+80/5 98/40+40/5 98/20+40/10 98/60+40/5 98/20+40/15 98/20+40/25 98/20+40/35