Add 54/63 and 28/60
54/63 + 28/60 is 139/105.
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,
54/63 = 54 × 20/63 × 20 = 1080/1260 - Likewise, for the 2nd fraction, since 60 × 21 = 1260,
28/60 = 28 × 21/60 × 21 = 588/1260 - Add the two like fractions:
1080/1260 + 588/1260 = 1080 + 588/1260 = 1668/1260 - 1668/1260 simplified gives 139/105
- So, 54/63 + 28/60 = 139/105
In mixed form: 134/105
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