Add 56/40 and 70/18
1st number: 1 16/40, 2nd number: 3 16/18
56/40 + 70/18 is 238/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
56/40 = 56 × 9/40 × 9 = 504/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
70/18 = 70 × 20/18 × 20 = 1400/360 - Add the two like fractions:
504/360 + 1400/360 = 504 + 1400/360 = 1904/360 - 1904/360 simplified gives 238/45
- So, 56/40 + 70/18 = 238/45
In mixed form: 513/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/80+70/18 56/40+70/36 56/40+70/54 56/40+70/90