Add 72/35 and 7/40
1st number: 2 2/35, 2nd number: 7/40
72/35 + 7/40 is 125/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
72/35 = 72 × 8/35 × 8 = 576/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
7/40 = 7 × 7/40 × 7 = 49/280 - Add the two like fractions:
576/280 + 49/280 = 576 + 49/280 = 625/280 - 625/280 simplified gives 125/56
- So, 72/35 + 7/40 = 125/56
In mixed form: 213/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/35+14/40 72/70+7/40 72/35+7/80 72/35+21/40 72/35+35/40 72/35+49/40