Add 72/40 and 5/30
1st number: 1 32/40, 2nd number: 5/30
72/40 + 5/30 is 59/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
72/40 = 72 × 3/40 × 3 = 216/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
5/30 = 5 × 4/30 × 4 = 20/120 - Add the two like fractions:
216/120 + 20/120 = 216 + 20/120 = 236/120 - 236/120 simplified gives 59/30
- So, 72/40 + 5/30 = 59/30
In mixed form: 129/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/40+10/30 72/80+5/30 72/40+5/60 72/40+15/30 72/40+5/90 72/40+25/30 72/40+35/30