Add 90/10 and 5/70
1st number: 9 0/10, 2nd number: 5/70
90/10 + 5/70 is 127/14.
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,
5/70 = 5 × 1/70 × 1 = 5/70 - Add the two like fractions:
630/70 + 5/70 = 630 + 5/70 = 635/70 - 635/70 simplified gives 127/14
- So, 90/10 + 5/70 = 127/14
In mixed form: 91/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10+10/70 90/20+5/70 90/10+15/70 90/30+5/70 90/10+25/70 90/50+5/70 90/10+35/70 90/70+5/70