Add 27/7 and 75/54
1st number: 3 6/7, 2nd number: 1 21/54
27/7 + 75/54 is 661/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
27/7 = 27 × 54/7 × 54 = 1458/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
75/54 = 75 × 7/54 × 7 = 525/378 - Add the two like fractions:
1458/378 + 525/378 = 1458 + 525/378 = 1983/378 - 1983/378 simplified gives 661/126
- So, 27/7 + 75/54 = 661/126
In mixed form: 531/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/7+75/54 27/14+75/54 81/7+75/54 27/21+75/54 27/35+75/54 27/49+75/54