Add 12/40 and 25/63
12/40 + 25/63 is 439/630.
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,
12/40 = 12 × 63/40 × 63 = 756/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
25/63 = 25 × 40/63 × 40 = 1000/2520 - Add the two like fractions:
756/2520 + 1000/2520 = 756 + 1000/2520 = 1756/2520 - 1756/2520 simplified gives 439/630
- So, 12/40 + 25/63 = 439/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/40+25/63 12/40+50/63 12/80+25/63 36/40+25/63 12/40+75/63 60/40+25/63 84/40+25/63