Add 7/98 and 8/90
7/98 + 8/90 is 101/630.
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,
7/98 = 7 × 45/98 × 45 = 315/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
8/90 = 8 × 49/90 × 49 = 392/4410 - Add the two like fractions:
315/4410 + 392/4410 = 315 + 392/4410 = 707/4410 - 707/4410 simplified gives 101/630
- So, 7/98 + 8/90 = 101/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/98+8/90 7/98+16/90 21/98+8/90 7/98+24/90 35/98+8/90 7/98+40/90 49/98+8/90 7/98+56/90