Add 90/63 and 14/80
1st number: 1 27/63, 2nd number: 14/80
90/63 + 14/80 is 449/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 80 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 63 × 80 = 5040,
90/63 = 90 × 80/63 × 80 = 7200/5040 - Likewise, for the 2nd fraction, since 80 × 63 = 5040,
14/80 = 14 × 63/80 × 63 = 882/5040 - Add the two like fractions:
7200/5040 + 882/5040 = 7200 + 882/5040 = 8082/5040 - 8082/5040 simplified gives 449/280
- So, 90/63 + 14/80 = 449/280
In mixed form: 1169/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+28/80 90/63+42/80 90/63+70/80 90/63+98/80