Add 60/40 and 35/72
1st number: 1 20/40, 2nd number: 35/72
60/40 + 35/72 is 143/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
60/40 = 60 × 9/40 × 9 = 540/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
35/72 = 35 × 5/72 × 5 = 175/360 - Add the two like fractions:
540/360 + 175/360 = 540 + 175/360 = 715/360 - 715/360 simplified gives 143/72
- So, 60/40 + 35/72 = 143/72
In mixed form: 171/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40+70/72 60/80+35/72