Add 3/56 and 42/70
3/56 + 42/70 is 183/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
3/56 = 3 × 5/56 × 5 = 15/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
42/70 = 42 × 4/70 × 4 = 168/280 - Add the two like fractions:
15/280 + 168/280 = 15 + 168/280 = 183/280 - So, 3/56 + 42/70 = 183/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/56+42/70 3/56+84/70 9/56+42/70 15/56+42/70 21/56+42/70