Add 1/84 and 4/15
1/84 + 4/15 is 39/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
1/84 = 1 × 5/84 × 5 = 5/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
4/15 = 4 × 28/15 × 28 = 112/420 - Add the two like fractions:
5/420 + 112/420 = 5 + 112/420 = 117/420 - 117/420 simplified gives 39/140
- So, 1/84 + 4/15 = 39/140
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