Add 70/12 and 54/40
1st number: 5 10/12, 2nd number: 1 14/40
70/12 + 54/40 is 431/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
70/12 = 70 × 10/12 × 10 = 700/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
54/40 = 54 × 3/40 × 3 = 162/120 - Add the two like fractions:
700/120 + 162/120 = 700 + 162/120 = 862/120 - 862/120 simplified gives 431/60
- So, 70/12 + 54/40 = 431/60
In mixed form: 711/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24+54/40 70/12+54/80 70/36+54/40 70/60+54/40 70/84+54/40