Add 42/70 and 90/9
1st number: 42/70, 2nd number: 10 0/9
42/70 + 90/9 is 53/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
42/70 = 42 × 9/70 × 9 = 378/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
90/9 = 90 × 70/9 × 70 = 6300/630 - Add the two like fractions:
378/630 + 6300/630 = 378 + 6300/630 = 6678/630 - 6678/630 simplified gives 53/5
- So, 42/70 + 90/9 = 53/5
In mixed form: 103/5
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