Add 7/42 and 2/45
7/42 + 2/45 is 19/90.
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,
7/42 = 7 × 15/42 × 15 = 105/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
2/45 = 2 × 14/45 × 14 = 28/630 - Add the two like fractions:
105/630 + 28/630 = 105 + 28/630 = 133/630 - 133/630 simplified gives 19/90
- So, 7/42 + 2/45 = 19/90
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