Add 63/4 and 90/84
1st number: 15 3/4, 2nd number: 1 6/84
63/4 + 90/84 is 471/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
63/4 = 63 × 21/4 × 21 = 1323/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84 - Add the two like fractions:
1323/84 + 90/84 = 1323 + 90/84 = 1413/84 - 1413/84 simplified gives 471/28
- So, 63/4 + 90/84 = 471/28
In mixed form: 1623/28
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