Add 30/42 and 64/45
1st number: 30/42, 2nd number: 1 19/45
30/42 + 64/45 is 673/315.
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,
30/42 = 30 × 15/42 × 15 = 450/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
64/45 = 64 × 14/45 × 14 = 896/630 - Add the two like fractions:
450/630 + 896/630 = 450 + 896/630 = 1346/630 - 1346/630 simplified gives 673/315
- So, 30/42 + 64/45 = 673/315
In mixed form: 243/315
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