Add 45/42 and 4/90
1st number: 1 3/42, 2nd number: 4/90
45/42 + 4/90 is 703/630.
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,
45/42 = 45 × 15/42 × 15 = 675/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
4/90 = 4 × 7/90 × 7 = 28/630 - Add the two like fractions:
675/630 + 28/630 = 675 + 28/630 = 703/630 - So, 45/42 + 4/90 = 703/630
In mixed form: 173/630
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