Add 2/90 and 80/42
1st number: 2/90, 2nd number: 1 38/42
2/90 + 80/42 is 607/315.
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,
2/90 = 2 × 7/90 × 7 = 14/630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,
80/42 = 80 × 15/42 × 15 = 1200/630 - Add the two like fractions:
14/630 + 1200/630 = 14 + 1200/630 = 1214/630 - 1214/630 simplified gives 607/315
- So, 2/90 + 80/42 = 607/315
In mixed form: 1292/315
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