Add 4/42 and 54/45
1st number: 4/42, 2nd number: 1 9/45
4/42 + 54/45 is 136/105.
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,
4/42 = 4 × 15/42 × 15 = 60/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
54/45 = 54 × 14/45 × 14 = 756/630 - Add the two like fractions:
60/630 + 756/630 = 60 + 756/630 = 816/630 - 816/630 simplified gives 136/105
- So, 4/42 + 54/45 = 136/105
In mixed form: 131/105
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