Add 98/12 and 42/70
1st number: 8 2/12, 2nd number: 42/70
98/12 + 42/70 is 263/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
98/12 = 98 × 35/12 × 35 = 3430/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
42/70 = 42 × 6/70 × 6 = 252/420 - Add the two like fractions:
3430/420 + 252/420 = 3430 + 252/420 = 3682/420 - 3682/420 simplified gives 263/30
- So, 98/12 + 42/70 = 263/30
In mixed form: 823/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12+84/70 98/24+42/70 98/36+42/70 98/60+42/70 98/84+42/70