Add 42/72 and 25/50
42/72 + 25/50 is 13/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 50 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
42/72 = 42 × 25/72 × 25 = 1050/1800 - Likewise, for the 2nd fraction, since 50 × 36 = 1800,
25/50 = 25 × 36/50 × 36 = 900/1800 - Add the two like fractions:
1050/1800 + 900/1800 = 1050 + 900/1800 = 1950/1800 - 1950/1800 simplified gives 13/12
- So, 42/72 + 25/50 = 13/12
In mixed form: 11/12
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