Add 42/9 and 60/70
1st number: 4 6/9, 2nd number: 60/70
42/9 + 60/70 is 116/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
42/9 = 42 × 70/9 × 70 = 2940/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
60/70 = 60 × 9/70 × 9 = 540/630 - Add the two like fractions:
2940/630 + 540/630 = 2940 + 540/630 = 3480/630 - 3480/630 simplified gives 116/21
- So, 42/9 + 60/70 = 116/21
In mixed form: 511/21
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