Add 28/63 and 81/60
1st number: 28/63, 2nd number: 1 21/60
28/63 + 81/60 is 323/180.
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,
81/60 = 81 × 21/60 × 21 = 1701/1260 - Add the two like fractions:
560/1260 + 1701/1260 = 560 + 1701/1260 = 2261/1260 - 2261/1260 simplified gives 323/180
- So, 28/63 + 81/60 = 323/180
In mixed form: 1143/180
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