Add 7/45 and 84/42
1st number: 7/45, 2nd number: 2 0/42
7/45 + 84/42 is 97/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 42 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
7/45 = 7 × 14/45 × 14 = 98/630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,
84/42 = 84 × 15/42 × 15 = 1260/630 - Add the two like fractions:
98/630 + 1260/630 = 98 + 1260/630 = 1358/630 - 1358/630 simplified gives 97/45
- So, 7/45 + 84/42 = 97/45
In mixed form: 27/45
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