Add 36/21 and 36/45
1st number: 1 15/21, 2nd number: 36/45
36/21 + 36/45 is 88/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 21 × 15 = 315,
36/21 = 36 × 15/21 × 15 = 540/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
36/45 = 36 × 7/45 × 7 = 252/315 - Add the two like fractions:
540/315 + 252/315 = 540 + 252/315 = 792/315 - 792/315 simplified gives 88/35
- So, 36/21 + 36/45 = 88/35
In mixed form: 218/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/21+36/45 36/21+72/45 36/42+36/45 36/21+36/90 36/63+36/45