Add 45/40 and 10/63
1st number: 1 5/40, 2nd number: 10/63
45/40 + 10/63 is 647/504.
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,
10/63 = 10 × 40/63 × 40 = 400/2520 - Add the two like fractions:
2835/2520 + 400/2520 = 2835 + 400/2520 = 3235/2520 - 3235/2520 simplified gives 647/504
- So, 45/40 + 10/63 = 647/504
In mixed form: 1143/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40+10/63 45/40+20/63 45/80+10/63 45/40+30/63 45/40+50/63 45/40+70/63