Add 20/15 and 32/63
1st number: 1 5/15, 2nd number: 32/63
20/15 + 32/63 is 116/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
20/15 = 20 × 21/15 × 21 = 420/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
32/63 = 32 × 5/63 × 5 = 160/315 - Add the two like fractions:
420/315 + 160/315 = 420 + 160/315 = 580/315 - 580/315 simplified gives 116/63
- So, 20/15 + 32/63 = 116/63
In mixed form: 153/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/15+32/63 20/15+64/63 20/30+32/63 60/15+32/63 20/15+96/63 20/45+32/63 20/75+32/63