Add 54/70 and 80/12
1st number: 54/70, 2nd number: 6 8/12
54/70 + 80/12 is 781/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 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 12 × 35 = 420,
80/12 = 80 × 35/12 × 35 = 2800/420 - Add the two like fractions:
324/420 + 2800/420 = 324 + 2800/420 = 3124/420 - 3124/420 simplified gives 781/105
- So, 54/70 + 80/12 = 781/105
In mixed form: 746/105
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