Add 42/27 and 40/60
1st number: 1 15/27, 2nd number: 40/60
42/27 + 40/60 is 20/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 60 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
42/27 = 42 × 20/27 × 20 = 840/540 - Likewise, for the 2nd fraction, since 60 × 9 = 540,
40/60 = 40 × 9/60 × 9 = 360/540 - Add the two like fractions:
840/540 + 360/540 = 840 + 360/540 = 1200/540 - 1200/540 simplified gives 20/9
- So, 42/27 + 40/60 = 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+40/60 42/27+80/60 42/54+40/60 42/81+40/60