Add 54/42 and 2/90
1st number: 1 12/42, 2nd number: 2/90
54/42 + 2/90 is 412/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 90 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 90 × 7 = 630,
2/90 = 2 × 7/90 × 7 = 14/630 - Add the two like fractions:
810/630 + 14/630 = 810 + 14/630 = 824/630 - 824/630 simplified gives 412/315
- So, 54/42 + 2/90 = 412/315
In mixed form: 197/315
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