Add 90/98 and 50/90
90/98 + 50/90 is 650/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
90/98 = 90 × 45/98 × 45 = 4050/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
50/90 = 50 × 49/90 × 49 = 2450/4410 - Add the two like fractions:
4050/4410 + 2450/4410 = 4050 + 2450/4410 = 6500/4410 - 6500/4410 simplified gives 650/441
- So, 90/98 + 50/90 = 650/441
In mixed form: 1209/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: