Add 20/42 and 50/98
20/42 + 50/98 is 145/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
20/42 = 20 × 7/42 × 7 = 140/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
50/98 = 50 × 3/98 × 3 = 150/294 - Add the two like fractions:
140/294 + 150/294 = 140 + 150/294 = 290/294 - 290/294 simplified gives 145/147
- So, 20/42 + 50/98 = 145/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/42+50/98 20/84+50/98 60/42+50/98