Add 70/40 and 27/10
1st number: 1 30/40, 2nd number: 2 7/10
70/40 + 27/10 is 89/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
70/40 = 70 × 1/40 × 1 = 70/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
27/10 = 27 × 4/10 × 4 = 108/40 - Add the two like fractions:
70/40 + 108/40 = 70 + 108/40 = 178/40 - 178/40 simplified gives 89/20
- So, 70/40 + 27/10 = 89/20
In mixed form: 49/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40+54/10 70/80+27/10 70/40+27/20 70/40+81/10 70/40+27/30 70/40+27/50 70/40+27/70