Add 12/42 and 49/45
1st number: 12/42, 2nd number: 1 4/45
12/42 + 49/45 is 433/315.
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,
12/42 = 12 × 15/42 × 15 = 180/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
49/45 = 49 × 14/45 × 14 = 686/630 - Add the two like fractions:
180/630 + 686/630 = 180 + 686/630 = 866/630 - 866/630 simplified gives 433/315
- So, 12/42 + 49/45 = 433/315
In mixed form: 1118/315
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