Add 84/10 and 42/63
1st number: 8 4/10, 2nd number: 42/63
84/10 + 42/63 is 136/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
84/10 = 84 × 63/10 × 63 = 5292/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
42/63 = 42 × 10/63 × 10 = 420/630 - Add the two like fractions:
5292/630 + 420/630 = 5292 + 420/630 = 5712/630 - 5712/630 simplified gives 136/15
- So, 84/10 + 42/63 = 136/15
In mixed form: 91/15
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