Add 28/63 and 24/15
1st number: 28/63, 2nd number: 1 9/15
28/63 + 24/15 is 92/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 15 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
28/63 = 28 × 5/63 × 5 = 140/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
24/15 = 24 × 21/15 × 21 = 504/315 - Add the two like fractions:
140/315 + 504/315 = 140 + 504/315 = 644/315 - 644/315 simplified gives 92/45
- So, 28/63 + 24/15 = 92/45
In mixed form: 22/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63+24/15 28/63+48/15 28/63+24/30 84/63+24/15 28/63+72/15 28/63+24/45 28/63+24/75