Add 21/98 and 2/40
21/98 + 2/40 is 37/140.
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,
21/98 = 21 × 20/98 × 20 = 420/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
2/40 = 2 × 49/40 × 49 = 98/1960 - Add the two like fractions:
420/1960 + 98/1960 = 420 + 98/1960 = 518/1960 - 518/1960 simplified gives 37/140
- So, 21/98 + 2/40 = 37/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98+2/40 21/98+4/40 21/98+2/80 63/98+2/40 21/98+6/40 21/98+10/40 21/98+14/40