Add 80/98 and 30/42
80/98 + 30/42 is 75/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 42 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
80/98 = 80 × 3/98 × 3 = 240/294 - Likewise, for the 2nd fraction, since 42 × 7 = 294,
30/42 = 30 × 7/42 × 7 = 210/294 - Add the two like fractions:
240/294 + 210/294 = 240 + 210/294 = 450/294 - 450/294 simplified gives 75/49
- So, 80/98 + 30/42 = 75/49
In mixed form: 126/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/98+60/42 80/98+30/84 80/98+90/42