Add 98/8 and 90/15
1st number: 12 2/8, 2nd number: 6 0/15
98/8 + 90/15 is 73/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
98/8 = 98 × 15/8 × 15 = 1470/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
90/15 = 90 × 8/15 × 8 = 720/120 - Add the two like fractions:
1470/120 + 720/120 = 1470 + 720/120 = 2190/120 - 2190/120 simplified gives 73/4
- So, 98/8 + 90/15 = 73/4
In mixed form: 181/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/16+90/15 98/8+90/30 98/24+90/15 98/8+90/45 98/40+90/15 98/8+90/75 98/56+90/15