Add 12/40 and 35/72
12/40 + 35/72 is 283/360.
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,
12/40 = 12 × 9/40 × 9 = 108/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
35/72 = 35 × 5/72 × 5 = 175/360 - Add the two like fractions:
108/360 + 175/360 = 108 + 175/360 = 283/360 - So, 12/40 + 35/72 = 283/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/40+35/72 12/40+70/72 12/80+35/72 36/40+35/72 60/40+35/72 84/40+35/72