Add 45/70 and 50/84
45/70 + 50/84 is 26/21.
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,
50/84 = 50 × 5/84 × 5 = 250/420 - Add the two like fractions:
270/420 + 250/420 = 270 + 250/420 = 520/420 - 520/420 simplified gives 26/21
- So, 45/70 + 50/84 = 26/21
In mixed form: 15/21
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