Add 72/35 and 6/45
1st number: 2 2/35, 2nd number: 6/45
72/35 + 6/45 is 46/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
72/35 = 72 × 9/35 × 9 = 648/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
6/45 = 6 × 7/45 × 7 = 42/315 - Add the two like fractions:
648/315 + 42/315 = 648 + 42/315 = 690/315 - 690/315 simplified gives 46/21
- So, 72/35 + 6/45 = 46/21
In mixed form: 24/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/35+12/45 72/70+6/45 72/35+6/90 72/35+18/45 72/35+30/45 72/35+42/45