Add 40/50 and 4/70
40/50 + 4/70 is 6/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
40/50 = 40 × 7/50 × 7 = 280/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
4/70 = 4 × 5/70 × 5 = 20/350 - Add the two like fractions:
280/350 + 20/350 = 280 + 20/350 = 300/350 - 300/350 simplified gives 6/7
- So, 40/50 + 4/70 = 6/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/50+4/70 40/50+8/70 40/50+12/70 40/50+20/70 40/50+28/70