Add 98/8 and 18/5
1st number: 12 2/8, 2nd number: 3 3/5
98/8 + 18/5 is 317/20.
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,
18/5 = 18 × 8/5 × 8 = 144/40 - Add the two like fractions:
490/40 + 144/40 = 490 + 144/40 = 634/40 - 634/40 simplified gives 317/20
- So, 98/8 + 18/5 = 317/20
In mixed form: 1517/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/8+36/5 98/16+18/5 98/8+18/10 98/8+54/5 98/24+18/5 98/8+18/15 98/8+90/5 98/40+18/5 98/8+18/25 98/56+18/5 98/8+18/35