Add 75/70 and 3/8
1st number: 1 5/70, 2nd number: 3/8
75/70 + 3/8 is 81/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
75/70 = 75 × 4/70 × 4 = 300/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
3/8 = 3 × 35/8 × 35 = 105/280 - Add the two like fractions:
300/280 + 105/280 = 300 + 105/280 = 405/280 - 405/280 simplified gives 81/56
- So, 75/70 + 3/8 = 81/56
In mixed form: 125/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/70+6/8 75/70+3/16 75/70+9/8 75/70+3/24 75/70+15/8 75/70+3/40 75/70+21/8 75/70+3/56