Add 72/45 and 42/27
1st number: 1 27/45, 2nd number: 1 15/27
72/45 + 42/27 is 142/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 45 × 3 = 135,
72/45 = 72 × 3/45 × 3 = 216/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
42/27 = 42 × 5/27 × 5 = 210/135 - Add the two like fractions:
216/135 + 210/135 = 216 + 210/135 = 426/135 - 426/135 simplified gives 142/45
- So, 72/45 + 42/27 = 142/45
In mixed form: 37/45
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