Add 98/70 and 75/8
1st number: 1 28/70, 2nd number: 9 3/8
98/70 + 75/8 is 431/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
98/70 = 98 × 4/70 × 4 = 392/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
75/8 = 75 × 35/8 × 35 = 2625/280 - Add the two like fractions:
392/280 + 2625/280 = 392 + 2625/280 = 3017/280 - 3017/280 simplified gives 431/40
- So, 98/70 + 75/8 = 431/40
In mixed form: 1031/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70+75/16 98/70+75/24 98/70+75/40 98/70+75/56