Add 42/27 and 10/15
1st number: 1 15/27, 2nd number: 10/15
42/27 + 10/15 is 20/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 15 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
42/27 = 42 × 5/27 × 5 = 210/135 - Likewise, for the 2nd fraction, since 15 × 9 = 135,
10/15 = 10 × 9/15 × 9 = 90/135 - Add the two like fractions:
210/135 + 90/135 = 210 + 90/135 = 300/135 - 300/135 simplified gives 20/9
- So, 42/27 + 10/15 = 20/9
In mixed form: 22/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27+10/15 42/27+20/15 42/54+10/15 42/27+10/30 42/27+30/15 42/81+10/15 42/27+10/45 42/27+50/15 42/27+10/75 42/27+70/15