Add 80/42 and 16/45
1st number: 1 38/42, 2nd number: 16/45
80/42 + 16/45 is 712/315.
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,
80/42 = 80 × 15/42 × 15 = 1200/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
16/45 = 16 × 14/45 × 14 = 224/630 - Add the two like fractions:
1200/630 + 224/630 = 1200 + 224/630 = 1424/630 - 1424/630 simplified gives 712/315
- So, 80/42 + 16/45 = 712/315
In mixed form: 282/315
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