Add 45/98 and 40/90
45/98 + 40/90 is 797/882.
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,
45/98 = 45 × 45/98 × 45 = 2025/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
40/90 = 40 × 49/90 × 49 = 1960/4410 - Add the two like fractions:
2025/4410 + 1960/4410 = 2025 + 1960/4410 = 3985/4410 - 3985/4410 simplified gives 797/882
- So, 45/98 + 40/90 = 797/882
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/98+40/90 45/98+80/90