Add 54/70 and 28/60
54/70 + 28/60 is 26/21.
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,
28/60 = 28 × 7/60 × 7 = 196/420 - Add the two like fractions:
324/420 + 196/420 = 324 + 196/420 = 520/420 - 520/420 simplified gives 26/21
- So, 54/70 + 28/60 = 26/21
In mixed form: 15/21
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