Add 18/90 and 30/98
18/90 + 30/98 is 124/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 98 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
18/90 = 18 × 49/90 × 49 = 882/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
30/98 = 30 × 45/98 × 45 = 1350/4410 - Add the two like fractions:
882/4410 + 1350/4410 = 882 + 1350/4410 = 2232/4410 - 2232/4410 simplified gives 124/245
- So, 18/90 + 30/98 = 124/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/90+30/98 18/90+60/98 54/90+30/98 18/90+90/98