Add 90/98 and 50/15
1st number: 90/98, 2nd number: 3 5/15
90/98 + 50/15 is 625/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 15 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
90/98 = 90 × 15/98 × 15 = 1350/1470 - Likewise, for the 2nd fraction, since 15 × 98 = 1470,
50/15 = 50 × 98/15 × 98 = 4900/1470 - Add the two like fractions:
1350/1470 + 4900/1470 = 1350 + 4900/1470 = 6250/1470 - 6250/1470 simplified gives 625/147
- So, 90/98 + 50/15 = 625/147
In mixed form: 437/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/98+50/30 90/98+50/45 90/98+50/75