Add 3/70 and 15/56
3/70 + 15/56 is 87/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
3/70 = 3 × 4/70 × 4 = 12/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
15/56 = 15 × 5/56 × 5 = 75/280 - Add the two like fractions:
12/280 + 75/280 = 12 + 75/280 = 87/280 - So, 3/70 + 15/56 = 87/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/70+15/56 3/70+30/56 9/70+15/56 3/70+45/56 15/70+15/56 3/70+75/56 21/70+15/56