Add 70/40 and 18/4
1st number: 1 30/40, 2nd number: 4 2/4
70/40 + 18/4 is 25/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 4 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 4 × 10 = 40,
18/4 = 18 × 10/4 × 10 = 180/40 - Add the two like fractions:
70/40 + 180/40 = 70 + 180/40 = 250/40 - 250/40 simplified gives 25/4
- So, 70/40 + 18/4 = 25/4
In mixed form: 61/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40+36/4 70/80+18/4 70/40+18/8 70/40+54/4 70/40+18/12 70/40+90/4 70/40+18/20 70/40+18/28