Add 70/12 and 75/54
1st number: 5 10/12, 2nd number: 1 21/54
70/12 + 75/54 is 65/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
70/12 = 70 × 9/12 × 9 = 630/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
75/54 = 75 × 2/54 × 2 = 150/108 - Add the two like fractions:
630/108 + 150/108 = 630 + 150/108 = 780/108 - 780/108 simplified gives 65/9
- So, 70/12 + 75/54 = 65/9
In mixed form: 72/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24+75/54 70/36+75/54 70/60+75/54 70/84+75/54