Add 75/70 and 15/8
1st number: 1 5/70, 2nd number: 1 7/8
75/70 + 15/8 is 165/56.
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,
15/8 = 15 × 35/8 × 35 = 525/280 - Add the two like fractions:
300/280 + 525/280 = 300 + 525/280 = 825/280 - 825/280 simplified gives 165/56
- So, 75/70 + 15/8 = 165/56
In mixed form: 253/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/70+30/8 75/70+15/16 75/70+45/8 75/70+15/24 75/70+75/8 75/70+15/40 75/70+15/56