Add 18/14 and 8/40
1st number: 1 4/14, 2nd number: 8/40
18/14 + 8/40 is 52/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
18/14 = 18 × 20/14 × 20 = 360/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
8/40 = 8 × 7/40 × 7 = 56/280 - Add the two like fractions:
360/280 + 56/280 = 360 + 56/280 = 416/280 - 416/280 simplified gives 52/35
- So, 18/14 + 8/40 = 52/35
In mixed form: 117/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/14+8/40 18/14+16/40 18/28+8/40 18/14+8/80 54/14+8/40 18/14+24/40 18/42+8/40 90/14+8/40 18/70+8/40 18/14+56/40 18/98+8/40