Add 8/70 and 98/80
1st number: 8/70, 2nd number: 1 18/80
8/70 + 98/80 is 75/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
8/70 = 8 × 8/70 × 8 = 64/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
98/80 = 98 × 7/80 × 7 = 686/560 - Add the two like fractions:
64/560 + 686/560 = 64 + 686/560 = 750/560 - 750/560 simplified gives 75/56
- So, 8/70 + 98/80 = 75/56
In mixed form: 119/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/70+98/80 24/70+98/80 40/70+98/80 56/70+98/80