Add 3/45 and 72/35
1st number: 3/45, 2nd number: 2 2/35
3/45 + 72/35 is 223/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
3/45 = 3 × 7/45 × 7 = 21/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
72/35 = 72 × 9/35 × 9 = 648/315 - Add the two like fractions:
21/315 + 648/315 = 21 + 648/315 = 669/315 - 669/315 simplified gives 223/105
- So, 3/45 + 72/35 = 223/105
In mixed form: 213/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45+72/35 3/90+72/35 3/45+72/70 9/45+72/35 15/45+72/35 21/45+72/35