Add 72/40 and 36/48
1st number: 1 32/40, 2nd number: 36/48
72/40 + 36/48 is 51/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 40 × 6 = 240,
72/40 = 72 × 6/40 × 6 = 432/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
36/48 = 36 × 5/48 × 5 = 180/240 - Add the two like fractions:
432/240 + 180/240 = 432 + 180/240 = 612/240 - 612/240 simplified gives 51/20
- So, 72/40 + 36/48 = 51/20
In mixed form: 211/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/40+72/48 72/80+36/48 72/40+36/96