Add 30/98 and 18/40
30/98 + 18/40 is 741/980.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 98 × 20 = 1960,
30/98 = 30 × 20/98 × 20 = 600/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
18/40 = 18 × 49/40 × 49 = 882/1960 - Add the two like fractions:
600/1960 + 882/1960 = 600 + 882/1960 = 1482/1960 - 1482/1960 simplified gives 741/980
- So, 30/98 + 18/40 = 741/980
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/98+18/40 30/98+36/40 30/98+18/80 90/98+18/40 30/98+54/40 30/98+90/40