Add 18/40 and 27/98
18/40 + 27/98 is 711/980.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 98 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
18/40 = 18 × 49/40 × 49 = 882/1960 - Likewise, for the 2nd fraction, since 98 × 20 = 1960,
27/98 = 27 × 20/98 × 20 = 540/1960 - Add the two like fractions:
882/1960 + 540/1960 = 882 + 540/1960 = 1422/1960 - 1422/1960 simplified gives 711/980
- So, 18/40 + 27/98 = 711/980
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/40+27/98 18/40+54/98 18/80+27/98 54/40+27/98 18/40+81/98 90/40+27/98