Add 54/70 and 1/56
54/70 + 1/56 is 221/280.
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,
54/70 = 54 × 4/70 × 4 = 216/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
1/56 = 1 × 5/56 × 5 = 5/280 - Add the two like fractions:
216/280 + 5/280 = 216 + 5/280 = 221/280 - So, 54/70 + 1/56 = 221/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/70+2/56 54/70+3/56 54/70+5/56 54/70+7/56