Add 18/70 and 75/40
1st number: 18/70, 2nd number: 1 35/40
18/70 + 75/40 is 597/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
18/70 = 18 × 4/70 × 4 = 72/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
75/40 = 75 × 7/40 × 7 = 525/280 - Add the two like fractions:
72/280 + 525/280 = 72 + 525/280 = 597/280 - So, 18/70 + 75/40 = 597/280
In mixed form: 237/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/70+75/40 18/70+75/80 54/70+75/40 90/70+75/40