Add 54/70 and 35/60
54/70 + 35/60 is 569/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
54/70 = 54 × 6/70 × 6 = 324/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
35/60 = 35 × 7/60 × 7 = 245/420 - Add the two like fractions:
324/420 + 245/420 = 324 + 245/420 = 569/420 - So, 54/70 + 35/60 = 569/420
In mixed form: 1149/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/70+70/60