Add 12/98 and 42/90
12/98 + 42/90 is 433/735.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
12/98 = 12 × 45/98 × 45 = 540/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
42/90 = 42 × 49/90 × 49 = 2058/4410 - Add the two like fractions:
540/4410 + 2058/4410 = 540 + 2058/4410 = 2598/4410 - 2598/4410 simplified gives 433/735
- So, 12/98 + 42/90 = 433/735
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/98+42/90 12/98+84/90 36/98+42/90 60/98+42/90 84/98+42/90