Add 15/98 and 18/40
15/98 + 18/40 is 591/980.
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,
15/98 = 15 × 20/98 × 20 = 300/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
18/40 = 18 × 49/40 × 49 = 882/1960 - Add the two like fractions:
300/1960 + 882/1960 = 300 + 882/1960 = 1182/1960 - 1182/1960 simplified gives 591/980
- So, 15/98 + 18/40 = 591/980
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/98+18/40 15/98+36/40 15/98+18/80 45/98+18/40 15/98+54/40 75/98+18/40 15/98+90/40