Add 42/70 and 3/10
42/70 + 3/10 is 9/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
42/70 = 42 × 1/70 × 1 = 42/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
3/10 = 3 × 7/10 × 7 = 21/70 - Add the two like fractions:
42/70 + 21/70 = 42 + 21/70 = 63/70 - 63/70 simplified gives 9/10
- So, 42/70 + 3/10 = 9/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+3/10 42/70+6/10 42/70+3/20 42/70+9/10 42/70+3/30 42/70+15/10 42/70+3/50 42/70+21/10 42/70+3/70