Add 84/4 and 90/63
1st number: 21 0/4, 2nd number: 1 27/63
84/4 + 90/63 is 157/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 4 × 63 = 252,
84/4 = 84 × 63/4 × 63 = 5292/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
90/63 = 90 × 4/63 × 4 = 360/252 - Add the two like fractions:
5292/252 + 360/252 = 5292 + 360/252 = 5652/252 - 5652/252 simplified gives 157/7
- So, 84/4 + 90/63 = 157/7
In mixed form: 223/7
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