Add 42/27 and 7/45
1st number: 1 15/27, 2nd number: 7/45
42/27 + 7/45 is 77/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
42/27 = 42 × 5/27 × 5 = 210/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
7/45 = 7 × 3/45 × 3 = 21/135 - Add the two like fractions:
210/135 + 21/135 = 210 + 21/135 = 231/135 - 231/135 simplified gives 77/45
- So, 42/27 + 7/45 = 77/45
In mixed form: 132/45
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