Add 80/63 and 35/25
1st number: 1 17/63, 2nd number: 1 10/25
80/63 + 35/25 is 841/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 25 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 63 × 25 = 1575,
80/63 = 80 × 25/63 × 25 = 2000/1575 - Likewise, for the 2nd fraction, since 25 × 63 = 1575,
35/25 = 35 × 63/25 × 63 = 2205/1575 - Add the two like fractions:
2000/1575 + 2205/1575 = 2000 + 2205/1575 = 4205/1575 - 4205/1575 simplified gives 841/315
- So, 80/63 + 35/25 = 841/315
In mixed form: 2211/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63+70/25 80/63+35/50 80/63+35/75