Add 4/49 and 70/80
4/49 + 70/80 is 375/392.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 49 × 80 = 3920,
4/49 = 4 × 80/49 × 80 = 320/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
70/80 = 70 × 49/80 × 49 = 3430/3920 - Add the two like fractions:
320/3920 + 3430/3920 = 320 + 3430/3920 = 3750/3920 - 3750/3920 simplified gives 375/392
- So, 4/49 + 70/80 = 375/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/49+70/80 4/98+70/80 12/49+70/80 20/49+70/80 28/49+70/80