Add 9/30 and 42/84
9/30 + 42/84 is 4/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
9/30 = 9 × 14/30 × 14 = 126/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
42/84 = 42 × 5/84 × 5 = 210/420 - Add the two like fractions:
126/420 + 210/420 = 126 + 210/420 = 336/420 - 336/420 simplified gives 4/5
- So, 9/30 + 42/84 = 4/5
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