Add 40/30 and 27/7
1st number: 1 10/30, 2nd number: 3 6/7
40/30 + 27/7 is 109/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
40/30 = 40 × 7/30 × 7 = 280/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
27/7 = 27 × 30/7 × 30 = 810/210 - Add the two like fractions:
280/210 + 810/210 = 280 + 810/210 = 1090/210 - 1090/210 simplified gives 109/21
- So, 40/30 + 27/7 = 109/21
In mixed form: 54/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+27/7 40/30+54/7 40/60+27/7 40/30+27/14 40/30+81/7 40/90+27/7 40/30+27/21 40/30+27/35 40/30+27/49