Add 63/10 and 70/80
1st number: 6 3/10, 2nd number: 70/80
63/10 + 70/80 is 287/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
63/10 = 63 × 8/10 × 8 = 504/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
70/80 = 70 × 1/80 × 1 = 70/80 - Add the two like fractions:
504/80 + 70/80 = 504 + 70/80 = 574/80 - 574/80 simplified gives 287/40
- So, 63/10 + 70/80 = 287/40
In mixed form: 77/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/20+70/80 63/30+70/80 63/50+70/80 63/70+70/80