Add 90/10 and 8/70
1st number: 9 0/10, 2nd number: 8/70
90/10 + 8/70 is 319/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
90/10 = 90 × 7/10 × 7 = 630/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
8/70 = 8 × 1/70 × 1 = 8/70 - Add the two like fractions:
630/70 + 8/70 = 630 + 8/70 = 638/70 - 638/70 simplified gives 319/35
- So, 90/10 + 8/70 = 319/35
In mixed form: 94/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10+16/70 90/20+8/70 90/10+24/70 90/30+8/70 90/10+40/70 90/50+8/70 90/10+56/70 90/70+8/70