Add 72/40 and 12/48
1st number: 1 32/40, 2nd number: 12/48
72/40 + 12/48 is 41/20.
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,
12/48 = 12 × 5/48 × 5 = 60/240 - Add the two like fractions:
432/240 + 60/240 = 432 + 60/240 = 492/240 - 492/240 simplified gives 41/20
- So, 72/40 + 12/48 = 41/20
In mixed form: 21/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/40+24/48 72/80+12/48 72/40+12/96 72/40+36/48 72/40+60/48 72/40+84/48