Add 98/28 and 90/10
1st number: 3 14/28, 2nd number: 9 0/10
98/28 + 90/10 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 10 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
98/28 = 98 × 5/28 × 5 = 490/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
90/10 = 90 × 14/10 × 14 = 1260/140 - Add the two like fractions:
490/140 + 1260/140 = 490 + 1260/140 = 1750/140 - 1750/140 simplified gives 25/2
- So, 98/28 + 90/10 = 25/2
In mixed form: 121/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/56+90/10 98/28+90/20 98/84+90/10 98/28+90/30 98/28+90/50 98/28+90/70