Add 70/84 and 21/50
70/84 + 21/50 is 94/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 50 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
70/84 = 70 × 25/84 × 25 = 1750/2100 - Likewise, for the 2nd fraction, since 50 × 42 = 2100,
21/50 = 21 × 42/50 × 42 = 882/2100 - Add the two like fractions:
1750/2100 + 882/2100 = 1750 + 882/2100 = 2632/2100 - 2632/2100 simplified gives 94/75
- So, 70/84 + 21/50 = 94/75
In mixed form: 119/75
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