Add 80/4 and 98/8
1st number: 20 0/4, 2nd number: 12 2/8
80/4 + 98/8 is 129/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
80/4 = 80 × 2/4 × 2 = 160/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
98/8 = 98 × 1/8 × 1 = 98/8 - Add the two like fractions:
160/8 + 98/8 = 160 + 98/8 = 258/8 - 258/8 simplified gives 129/4
- So, 80/4 + 98/8 = 129/4
In mixed form: 321/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8+98/8 80/4+98/16 80/12+98/8 80/4+98/24 80/20+98/8 80/4+98/40 80/28+98/8 80/4+98/56