Add 45/42 and 60/90
1st number: 1 3/42, 2nd number: 60/90
45/42 + 60/90 is 73/42.
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,
60/90 = 60 × 7/90 × 7 = 420/630 - Add the two like fractions:
675/630 + 420/630 = 675 + 420/630 = 1095/630 - 1095/630 simplified gives 73/42
- So, 45/42 + 60/90 = 73/42
In mixed form: 131/42
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