Add 35/40 and 72/45
1st number: 35/40, 2nd number: 1 27/45
35/40 + 72/45 is 99/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
35/40 = 35 × 9/40 × 9 = 315/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
72/45 = 72 × 8/45 × 8 = 576/360 - Add the two like fractions:
315/360 + 576/360 = 315 + 576/360 = 891/360 - 891/360 simplified gives 99/40
- So, 35/40 + 72/45 = 99/40
In mixed form: 219/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40+72/45 35/80+72/45 35/40+72/90