Add 20/98 and 42/54
20/98 + 42/54 is 433/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 54 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 98 × 27 = 2646,
20/98 = 20 × 27/98 × 27 = 540/2646 - Likewise, for the 2nd fraction, since 54 × 49 = 2646,
42/54 = 42 × 49/54 × 49 = 2058/2646 - Add the two like fractions:
540/2646 + 2058/2646 = 540 + 2058/2646 = 2598/2646 - 2598/2646 simplified gives 433/441
- So, 20/98 + 42/54 = 433/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/98+42/54 20/98+84/54 60/98+42/54