Add 28/42 and 21/63
28/42 + 21/63 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
28/42 = 28 × 3/42 × 3 = 84/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
21/63 = 21 × 2/63 × 2 = 42/126 - Add the two like fractions:
84/126 + 42/126 = 84 + 42/126 = 126/126 - 126/126 simplified gives 1/1
- So, 28/42 + 21/63 = 1/1
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