Add 63/42 and 90/84
1st number: 1 21/42, 2nd number: 1 6/84
63/42 + 90/84 is 18/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
63/42 = 63 × 2/42 × 2 = 126/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84 - Add the two like fractions:
126/84 + 90/84 = 126 + 90/84 = 216/84 - 216/84 simplified gives 18/7
- So, 63/42 + 90/84 = 18/7
In mixed form: 24/7
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Related: 63/84+90/84