Add 90/28 and 30/98
1st number: 3 6/28, 2nd number: 30/98
90/28 + 30/98 is 345/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 98 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
90/28 = 90 × 7/28 × 7 = 630/196 - Likewise, for the 2nd fraction, since 98 × 2 = 196,
30/98 = 30 × 2/98 × 2 = 60/196 - Add the two like fractions:
630/196 + 60/196 = 630 + 60/196 = 690/196 - 690/196 simplified gives 345/98
- So, 90/28 + 30/98 = 345/98
In mixed form: 351/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+60/98 90/56+30/98 90/28+90/98 90/84+30/98