Add 42/7 and 10/90
1st number: 6 0/7, 2nd number: 10/90
42/7 + 10/90 is 55/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
42/7 = 42 × 90/7 × 90 = 3780/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
10/90 = 10 × 7/90 × 7 = 70/630 - Add the two like fractions:
3780/630 + 70/630 = 3780 + 70/630 = 3850/630 - 3850/630 simplified gives 55/9
- So, 42/7 + 10/90 = 55/9
In mixed form: 61/9
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