Add 42/84 and 45/50
42/84 + 45/50 is 7/5.
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,
42/84 = 42 × 25/84 × 25 = 1050/2100 - Likewise, for the 2nd fraction, since 50 × 42 = 2100,
45/50 = 45 × 42/50 × 42 = 1890/2100 - Add the two like fractions:
1050/2100 + 1890/2100 = 1050 + 1890/2100 = 2940/2100 - 2940/2100 simplified gives 7/5
- So, 42/84 + 45/50 = 7/5
In mixed form: 12/5
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Related: 42/84+90/50