Add 15/70 and 6/84
15/70 + 6/84 is 2/7.
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,
15/70 = 15 × 6/70 × 6 = 90/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
6/84 = 6 × 5/84 × 5 = 30/420 - Add the two like fractions:
90/420 + 30/420 = 90 + 30/420 = 120/420 - 120/420 simplified gives 2/7
- So, 15/70 + 6/84 = 2/7
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