Add 5/12 and 45/70
5/12 + 45/70 is 89/84.
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,
5/12 = 5 × 35/12 × 35 = 175/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
45/70 = 45 × 6/70 × 6 = 270/420 - Add the two like fractions:
175/420 + 270/420 = 175 + 270/420 = 445/420 - 445/420 simplified gives 89/84
- So, 5/12 + 45/70 = 89/84
In mixed form: 15/84
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