Add 25/75 and 50/70
25/75 + 50/70 is 22/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 70 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
25/75 = 25 × 14/75 × 14 = 350/1050 - Likewise, for the 2nd fraction, since 70 × 15 = 1050,
50/70 = 50 × 15/70 × 15 = 750/1050 - Add the two like fractions:
350/1050 + 750/1050 = 350 + 750/1050 = 1100/1050 - 1100/1050 simplified gives 22/21
- So, 25/75 + 50/70 = 22/21
In mixed form: 11/21
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