Add 81/48 and 20/45
1st number: 1 33/48, 2nd number: 20/45
81/48 + 20/45 is 307/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
81/48 = 81 × 15/48 × 15 = 1215/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
20/45 = 20 × 16/45 × 16 = 320/720 - Add the two like fractions:
1215/720 + 320/720 = 1215 + 320/720 = 1535/720 - 1535/720 simplified gives 307/144
- So, 81/48 + 20/45 = 307/144
In mixed form: 219/144
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