Add 36/42 and 75/45
1st number: 36/42, 2nd number: 1 30/45
36/42 + 75/45 is 53/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 42 × 15 = 630,
36/42 = 36 × 15/42 × 15 = 540/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
75/45 = 75 × 14/45 × 14 = 1050/630 - Add the two like fractions:
540/630 + 1050/630 = 540 + 1050/630 = 1590/630 - 1590/630 simplified gives 53/21
- So, 36/42 + 75/45 = 53/21
In mixed form: 211/21
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