Add 7/15 and 30/27
1st number: 7/15, 2nd number: 1 3/27
7/15 + 30/27 is 71/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
7/15 = 7 × 9/15 × 9 = 63/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
30/27 = 30 × 5/27 × 5 = 150/135 - Add the two like fractions:
63/135 + 150/135 = 63 + 150/135 = 213/135 - 213/135 simplified gives 71/45
- So, 7/15 + 30/27 = 71/45
In mixed form: 126/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15+30/27 7/15+60/27 7/30+30/27 7/15+30/54 21/15+30/27 7/15+90/27 7/45+30/27 7/15+30/81 35/15+30/27 7/75+30/27 49/15+30/27