Add 70/40 and 6/72
1st number: 1 30/40, 2nd number: 6/72
70/40 + 6/72 is 11/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
70/40 = 70 × 9/40 × 9 = 630/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
6/72 = 6 × 5/72 × 5 = 30/360 - Add the two like fractions:
630/360 + 30/360 = 630 + 30/360 = 660/360 - 660/360 simplified gives 11/6
- So, 70/40 + 6/72 = 11/6
In mixed form: 15/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40+12/72 70/80+6/72 70/40+18/72 70/40+30/72 70/40+42/72