Add 15/40 and 12/63
15/40 + 12/63 is 95/168.
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,
12/63 = 12 × 40/63 × 40 = 480/2520 - Add the two like fractions:
945/2520 + 480/2520 = 945 + 480/2520 = 1425/2520 - 1425/2520 simplified gives 95/168
- So, 15/40 + 12/63 = 95/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/40+12/63 15/40+24/63 15/80+12/63 45/40+12/63 15/40+36/63 75/40+12/63 15/40+60/63 15/40+84/63