Add 45/70 and 35/84
45/70 + 35/84 is 89/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
45/70 = 45 × 6/70 × 6 = 270/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
35/84 = 35 × 5/84 × 5 = 175/420 - Add the two like fractions:
270/420 + 175/420 = 270 + 175/420 = 445/420 - 445/420 simplified gives 89/84
- So, 45/70 + 35/84 = 89/84
In mixed form: 15/84
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