Add 3/80 and 64/63
1st number: 3/80, 2nd number: 1 1/63
3/80 + 64/63 is 5309/5040.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 63 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 80 × 63 = 5040,
3/80 = 3 × 63/80 × 63 = 189/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
64/63 = 64 × 80/63 × 80 = 5120/5040 - Add the two like fractions:
189/5040 + 5120/5040 = 189 + 5120/5040 = 5309/5040 - So, 3/80 + 64/63 = 5309/5040
In mixed form: 1269/5040
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/80+64/63 9/80+64/63 15/80+64/63 21/80+64/63