Add 70/75 and 21/27
70/75 + 21/27 is 77/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 27 is 675
Next, find the equivalent fraction of both fractional numbers with denominator 675 - For the 1st fraction, since 75 × 9 = 675,
70/75 = 70 × 9/75 × 9 = 630/675 - Likewise, for the 2nd fraction, since 27 × 25 = 675,
21/27 = 21 × 25/27 × 25 = 525/675 - Add the two like fractions:
630/675 + 525/675 = 630 + 525/675 = 1155/675 - 1155/675 simplified gives 77/45
- So, 70/75 + 21/27 = 77/45
In mixed form: 132/45
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