Add 81/84 and 25/45
81/84 + 25/45 is 383/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
81/84 = 81 × 15/84 × 15 = 1215/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
25/45 = 25 × 28/45 × 28 = 700/1260 - Add the two like fractions:
1215/1260 + 700/1260 = 1215 + 700/1260 = 1915/1260 - 1915/1260 simplified gives 383/252
- So, 81/84 + 25/45 = 383/252
In mixed form: 1131/252
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