Add 5/40 and 12/63
5/40 + 12/63 is 53/168.
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,
5/40 = 5 × 63/40 × 63 = 315/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
12/63 = 12 × 40/63 × 40 = 480/2520 - Add the two like fractions:
315/2520 + 480/2520 = 315 + 480/2520 = 795/2520 - 795/2520 simplified gives 53/168
- So, 5/40 + 12/63 = 53/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40+12/63 5/40+24/63 5/80+12/63 15/40+12/63 5/40+36/63 25/40+12/63 5/40+60/63 35/40+12/63 5/40+84/63