Add 60/45 and 90/42
1st number: 1 15/45, 2nd number: 2 6/42
60/45 + 90/42 is 73/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 42 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
60/45 = 60 × 14/45 × 14 = 840/630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,
90/42 = 90 × 15/42 × 15 = 1350/630 - Add the two like fractions:
840/630 + 1350/630 = 840 + 1350/630 = 2190/630 - 2190/630 simplified gives 73/21
- So, 60/45 + 90/42 = 73/21
In mixed form: 310/21
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