Add 15/40 and 50/63
15/40 + 50/63 is 589/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 63 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 40 × 63 = 2520,
15/40 = 15 × 63/40 × 63 = 945/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
50/63 = 50 × 40/63 × 40 = 2000/2520 - Add the two like fractions:
945/2520 + 2000/2520 = 945 + 2000/2520 = 2945/2520 - 2945/2520 simplified gives 589/504
- So, 15/40 + 50/63 = 589/504
In mixed form: 185/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/40+50/63 15/80+50/63 45/40+50/63 75/40+50/63