Add 84/63 and 12/60
1st number: 1 21/63, 2nd number: 12/60
84/63 + 12/60 is 23/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 60 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
84/63 = 84 × 20/63 × 20 = 1680/1260 - Likewise, for the 2nd fraction, since 60 × 21 = 1260,
12/60 = 12 × 21/60 × 21 = 252/1260 - Add the two like fractions:
1680/1260 + 252/1260 = 1680 + 252/1260 = 1932/1260 - 1932/1260 simplified gives 23/15
- So, 84/63 + 12/60 = 23/15
In mixed form: 18/15
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