Add 63/4 and 98/80
1st number: 15 3/4, 2nd number: 1 18/80
63/4 + 98/80 is 679/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
63/4 = 63 × 20/4 × 20 = 1260/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
98/80 = 98 × 1/80 × 1 = 98/80 - Add the two like fractions:
1260/80 + 98/80 = 1260 + 98/80 = 1358/80 - 1358/80 simplified gives 679/40
- So, 63/4 + 98/80 = 679/40
In mixed form: 1639/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8+98/80 63/12+98/80 63/20+98/80 63/28+98/80