Add 42/50 and 28/21
1st number: 42/50, 2nd number: 1 7/21
42/50 + 28/21 is 163/75.
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,
28/21 = 28 × 50/21 × 50 = 1400/1050 - Add the two like fractions:
882/1050 + 1400/1050 = 882 + 1400/1050 = 2282/1050 - 2282/1050 simplified gives 163/75
- So, 42/50 + 28/21 = 163/75
In mixed form: 213/75
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