Add 98/20 and 18/56
1st number: 4 18/20, 2nd number: 18/56
98/20 + 18/56 is 731/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
98/20 = 98 × 14/20 × 14 = 1372/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
18/56 = 18 × 5/56 × 5 = 90/280 - Add the two like fractions:
1372/280 + 90/280 = 1372 + 90/280 = 1462/280 - 1462/280 simplified gives 731/140
- So, 98/20 + 18/56 = 731/140
In mixed form: 531/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20+36/56 98/40+18/56 98/20+54/56 98/60+18/56 98/20+90/56