Add 72/40 and 14/63
1st number: 1 32/40, 2nd number: 14/63
72/40 + 14/63 is 91/45.
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,
72/40 = 72 × 63/40 × 63 = 4536/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
14/63 = 14 × 40/63 × 40 = 560/2520 - Add the two like fractions:
4536/2520 + 560/2520 = 4536 + 560/2520 = 5096/2520 - 5096/2520 simplified gives 91/45
- So, 72/40 + 14/63 = 91/45
In mixed form: 21/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/40+28/63 72/80+14/63 72/40+42/63 72/40+70/63 72/40+98/63