Add 15/56 and 1/70
15/56 + 1/70 is 79/280.
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,
15/56 = 15 × 5/56 × 5 = 75/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
1/70 = 1 × 4/70 × 4 = 4/280 - Add the two like fractions:
75/280 + 4/280 = 75 + 4/280 = 79/280 - So, 15/56 + 1/70 = 79/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/56+1/70 15/56+2/70 45/56+1/70 15/56+3/70 75/56+1/70 15/56+5/70 15/56+7/70