Add 70/12 and 72/70
1st number: 5 10/12, 2nd number: 1 2/70
70/12 + 72/70 is 1441/210.
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,
70/12 = 70 × 35/12 × 35 = 2450/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
72/70 = 72 × 6/70 × 6 = 432/420 - Add the two like fractions:
2450/420 + 432/420 = 2450 + 432/420 = 2882/420 - 2882/420 simplified gives 1441/210
- So, 70/12 + 72/70 = 1441/210
In mixed form: 6181/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24+72/70 70/36+72/70 70/60+72/70 70/84+72/70