Add 28/63 and 54/60
28/63 + 54/60 is 121/90.
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,
28/63 = 28 × 20/63 × 20 = 560/1260 - Likewise, for the 2nd fraction, since 60 × 21 = 1260,
54/60 = 54 × 21/60 × 21 = 1134/1260 - Add the two like fractions:
560/1260 + 1134/1260 = 560 + 1134/1260 = 1694/1260 - 1694/1260 simplified gives 121/90
- So, 28/63 + 54/60 = 121/90
In mixed form: 131/90
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