Add 25/70 and 81/84
25/70 + 81/84 is 37/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
25/70 = 25 × 6/70 × 6 = 150/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
81/84 = 81 × 5/84 × 5 = 405/420 - Add the two like fractions:
150/420 + 405/420 = 150 + 405/420 = 555/420 - 555/420 simplified gives 37/28
- So, 25/70 + 81/84 = 37/28
In mixed form: 19/28
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