Add 98/10 and 18/28
1st number: 9 8/10, 2nd number: 18/28
98/10 + 18/28 is 731/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
98/10 = 98 × 14/10 × 14 = 1372/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
18/28 = 18 × 5/28 × 5 = 90/140 - Add the two like fractions:
1372/140 + 90/140 = 1372 + 90/140 = 1462/140 - 1462/140 simplified gives 731/70
- So, 98/10 + 18/28 = 731/70
In mixed form: 1031/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/10+36/28 98/20+18/28 98/10+18/56 98/10+54/28 98/30+18/28 98/10+18/84 98/10+90/28 98/50+18/28 98/70+18/28