Add 3/12 and 64/70
3/12 + 64/70 is 163/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
3/12 = 3 × 35/12 × 35 = 105/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
64/70 = 64 × 6/70 × 6 = 384/420 - Add the two like fractions:
105/420 + 384/420 = 105 + 384/420 = 489/420 - 489/420 simplified gives 163/140
- So, 3/12 + 64/70 = 163/140
In mixed form: 123/140
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