Add 25/15 and 18/84
1st number: 1 10/15, 2nd number: 18/84
25/15 + 18/84 is 79/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
25/15 = 25 × 28/15 × 28 = 700/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
18/84 = 18 × 5/84 × 5 = 90/420 - Add the two like fractions:
700/420 + 90/420 = 700 + 90/420 = 790/420 - 790/420 simplified gives 79/42
- So, 25/15 + 18/84 = 79/42
In mixed form: 137/42
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