Add 72/40 and 54/10
1st number: 1 32/40, 2nd number: 5 4/10
72/40 + 54/10 is 36/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
72/40 = 72 × 1/40 × 1 = 72/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
54/10 = 54 × 4/10 × 4 = 216/40 - Add the two like fractions:
72/40 + 216/40 = 72 + 216/40 = 288/40 - 288/40 simplified gives 36/5
- So, 72/40 + 54/10 = 36/5
In mixed form: 71/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/80+54/10 72/40+54/20 72/40+54/30 72/40+54/50 72/40+54/70