Add 45/40 and 40/63
1st number: 1 5/40, 2nd number: 40/63
45/40 + 40/63 is 887/504.
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,
45/40 = 45 × 63/40 × 63 = 2835/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
40/63 = 40 × 40/63 × 40 = 1600/2520 - Add the two like fractions:
2835/2520 + 1600/2520 = 2835 + 1600/2520 = 4435/2520 - 4435/2520 simplified gives 887/504
- So, 45/40 + 40/63 = 887/504
In mixed form: 1383/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40+40/63 45/40+80/63 45/80+40/63