Add 1/98 and 21/40
1/98 + 21/40 is 1049/1960.
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,
1/98 = 1 × 20/98 × 20 = 20/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
21/40 = 21 × 49/40 × 49 = 1029/1960 - Add the two like fractions:
20/1960 + 1029/1960 = 20 + 1029/1960 = 1049/1960 - So, 1/98 + 21/40 = 1049/1960
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/98+21/40 1/98+42/40 1/98+21/80 3/98+21/40 1/98+63/40 5/98+21/40 7/98+21/40