Add 4/80 and 75/63
1st number: 4/80, 2nd number: 1 12/63
4/80 + 75/63 is 521/420.
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,
4/80 = 4 × 63/80 × 63 = 252/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
75/63 = 75 × 80/63 × 80 = 6000/5040 - Add the two like fractions:
252/5040 + 6000/5040 = 252 + 6000/5040 = 6252/5040 - 6252/5040 simplified gives 521/420
- So, 4/80 + 75/63 = 521/420
In mixed form: 1101/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/80+75/63 12/80+75/63 20/80+75/63 28/80+75/63