Add 42/50 and 12/21
42/50 + 12/21 is 247/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
42/50 = 42 × 21/50 × 21 = 882/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
12/21 = 12 × 50/21 × 50 = 600/1050 - Add the two like fractions:
882/1050 + 600/1050 = 882 + 600/1050 = 1482/1050 - 1482/1050 simplified gives 247/175
- So, 42/50 + 12/21 = 247/175
In mixed form: 172/175
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