Add 8/70 and 21/84
8/70 + 21/84 is 51/140.
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,
8/70 = 8 × 6/70 × 6 = 48/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
21/84 = 21 × 5/84 × 5 = 105/420 - Add the two like fractions:
48/420 + 105/420 = 48 + 105/420 = 153/420 - 153/420 simplified gives 51/140
- So, 8/70 + 21/84 = 51/140
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