Add 98/60 and 30/70
1st number: 1 38/60, 2nd number: 30/70
98/60 + 30/70 is 433/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
98/60 = 98 × 7/60 × 7 = 686/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
30/70 = 30 × 6/70 × 6 = 180/420 - Add the two like fractions:
686/420 + 180/420 = 686 + 180/420 = 866/420 - 866/420 simplified gives 433/210
- So, 98/60 + 30/70 = 433/210
In mixed form: 213/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/60+60/70 98/60+90/70