Add 15/21 and 42/50
15/21 + 42/50 is 272/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 21 × 50 = 1050,
15/21 = 15 × 50/21 × 50 = 750/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
42/50 = 42 × 21/50 × 21 = 882/1050 - Add the two like fractions:
750/1050 + 882/1050 = 750 + 882/1050 = 1632/1050 - 1632/1050 simplified gives 272/175
- So, 15/21 + 42/50 = 272/175
In mixed form: 197/175
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