Add 30/35 and 4/84
30/35 + 4/84 is 19/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
30/35 = 30 × 12/35 × 12 = 360/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
4/84 = 4 × 5/84 × 5 = 20/420 - Add the two like fractions:
360/420 + 20/420 = 360 + 20/420 = 380/420 - 380/420 simplified gives 19/21
- So, 30/35 + 4/84 = 19/21
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