Add 50/72 and 2/40
50/72 + 2/40 is 67/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
50/72 = 50 × 5/72 × 5 = 250/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
2/40 = 2 × 9/40 × 9 = 18/360 - Add the two like fractions:
250/360 + 18/360 = 250 + 18/360 = 268/360 - 268/360 simplified gives 67/90
- So, 50/72 + 2/40 = 67/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/72+4/40 50/72+2/80 50/72+6/40 50/72+10/40 50/72+14/40