Add 54/42 and 7/45
1st number: 1 12/42, 2nd number: 7/45
54/42 + 7/45 is 454/315.
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,
54/42 = 54 × 15/42 × 15 = 810/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
7/45 = 7 × 14/45 × 14 = 98/630 - Add the two like fractions:
810/630 + 98/630 = 810 + 98/630 = 908/630 - 908/630 simplified gives 454/315
- So, 54/42 + 7/45 = 454/315
In mixed form: 1139/315
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