Add 40/70 and 50/56
40/70 + 50/56 is 41/28.
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,
40/70 = 40 × 4/70 × 4 = 160/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
50/56 = 50 × 5/56 × 5 = 250/280 - Add the two like fractions:
160/280 + 250/280 = 160 + 250/280 = 410/280 - 410/280 simplified gives 41/28
- So, 40/70 + 50/56 = 41/28
In mixed form: 113/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70+50/56