Add 42/98 and 14/40
42/98 + 14/40 is 109/140.
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,
42/98 = 42 × 20/98 × 20 = 840/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
14/40 = 14 × 49/40 × 49 = 686/1960 - Add the two like fractions:
840/1960 + 686/1960 = 840 + 686/1960 = 1526/1960 - 1526/1960 simplified gives 109/140
- So, 42/98 + 14/40 = 109/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/98+14/40 42/98+28/40 42/98+14/80 42/98+42/40 42/98+70/40 42/98+98/40