Add 35/90 and 45/42
1st number: 35/90, 2nd number: 1 3/42
35/90 + 45/42 is 92/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 42 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
35/90 = 35 × 7/90 × 7 = 245/630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,
45/42 = 45 × 15/42 × 15 = 675/630 - Add the two like fractions:
245/630 + 675/630 = 245 + 675/630 = 920/630 - 920/630 simplified gives 92/63
- So, 35/90 + 45/42 = 92/63
In mixed form: 129/63
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