Add 6/70 and 90/40
1st number: 6/70, 2nd number: 2 10/40
6/70 + 90/40 is 327/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
6/70 = 6 × 4/70 × 4 = 24/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
90/40 = 90 × 7/40 × 7 = 630/280 - Add the two like fractions:
24/280 + 630/280 = 24 + 630/280 = 654/280 - 654/280 simplified gives 327/140
- So, 6/70 + 90/40 = 327/140
In mixed form: 247/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/70+90/40 6/70+90/80 18/70+90/40 30/70+90/40 42/70+90/40