Add 42/70 and 50/8
1st number: 42/70, 2nd number: 6 2/8
42/70 + 50/8 is 137/20.
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,
42/70 = 42 × 4/70 × 4 = 168/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
50/8 = 50 × 35/8 × 35 = 1750/280 - Add the two like fractions:
168/280 + 1750/280 = 168 + 1750/280 = 1918/280 - 1918/280 simplified gives 137/20
- So, 42/70 + 50/8 = 137/20
In mixed form: 617/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+50/8 42/70+50/16 42/70+50/24 42/70+50/40 42/70+50/56