Add 30/60 and 98/42
1st number: 30/60, 2nd number: 2 14/42
30/60 + 98/42 is 17/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
30/60 = 30 × 7/60 × 7 = 210/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
98/42 = 98 × 10/42 × 10 = 980/420 - Add the two like fractions:
210/420 + 980/420 = 210 + 980/420 = 1190/420 - 1190/420 simplified gives 17/6
- So, 30/60 + 98/42 = 17/6
In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60+98/84 90/60+98/42