Add 35/9 and 72/40
1st number: 3 8/9, 2nd number: 1 32/40
35/9 + 72/40 is 256/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
35/9 = 35 × 40/9 × 40 = 1400/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
72/40 = 72 × 9/40 × 9 = 648/360 - Add the two like fractions:
1400/360 + 648/360 = 1400 + 648/360 = 2048/360 - 2048/360 simplified gives 256/45
- So, 35/9 + 72/40 = 256/45
In mixed form: 531/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9+72/40 35/18+72/40 35/9+72/80 35/27+72/40 35/45+72/40 35/63+72/40