Add 3/35 and 75/72
1st number: 3/35, 2nd number: 1 3/72
3/35 + 75/72 is 947/840.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
3/35 = 3 × 72/35 × 72 = 216/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
75/72 = 75 × 35/72 × 35 = 2625/2520 - Add the two like fractions:
216/2520 + 2625/2520 = 216 + 2625/2520 = 2841/2520 - 2841/2520 simplified gives 947/840
- So, 3/35 + 75/72 = 947/840
In mixed form: 1107/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/35+75/72 3/70+75/72 9/35+75/72 15/35+75/72 21/35+75/72