Add 25/30 and 18/84
25/30 + 18/84 is 22/21.
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,
25/30 = 25 × 14/30 × 14 = 350/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
18/84 = 18 × 5/84 × 5 = 90/420 - Add the two like fractions:
350/420 + 90/420 = 350 + 90/420 = 440/420 - 440/420 simplified gives 22/21
- So, 25/30 + 18/84 = 22/21
In mixed form: 11/21
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