Add 42/70 and 36/8
1st number: 42/70, 2nd number: 4 4/8
42/70 + 36/8 is 51/10.
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,
36/8 = 36 × 35/8 × 35 = 1260/280 - Add the two like fractions:
168/280 + 1260/280 = 168 + 1260/280 = 1428/280 - 1428/280 simplified gives 51/10
- So, 42/70 + 36/8 = 51/10
In mixed form: 51/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+36/8 42/70+72/8 42/70+36/16 42/70+36/24 42/70+36/40 42/70+36/56