Add 70/60 and 27/40
1st number: 1 10/60, 2nd number: 27/40
70/60 + 27/40 is 221/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
70/60 = 70 × 2/60 × 2 = 140/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
27/40 = 27 × 3/40 × 3 = 81/120 - Add the two like fractions:
140/120 + 81/120 = 140 + 81/120 = 221/120 - So, 70/60 + 27/40 = 221/120
In mixed form: 1101/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/60+54/40 70/60+27/80 70/60+81/40