Add 2/42 and 72/45
1st number: 2/42, 2nd number: 1 27/45
2/42 + 72/45 is 173/105.
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,
2/42 = 2 × 15/42 × 15 = 30/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
72/45 = 72 × 14/45 × 14 = 1008/630 - Add the two like fractions:
30/630 + 1008/630 = 30 + 1008/630 = 1038/630 - 1038/630 simplified gives 173/105
- So, 2/42 + 72/45 = 173/105
In mixed form: 168/105
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