Add 90/98 and 15/50
90/98 + 15/50 is 597/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 50 is 2450
Next, find the equivalent fraction of both fractional numbers with denominator 2450 - For the 1st fraction, since 98 × 25 = 2450,
90/98 = 90 × 25/98 × 25 = 2250/2450 - Likewise, for the 2nd fraction, since 50 × 49 = 2450,
15/50 = 15 × 49/50 × 49 = 735/2450 - Add the two like fractions:
2250/2450 + 735/2450 = 2250 + 735/2450 = 2985/2450 - 2985/2450 simplified gives 597/490
- So, 90/98 + 15/50 = 597/490
In mixed form: 1107/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/98+30/50 90/98+45/50 90/98+75/50