Add 42/70 and 35/63
42/70 + 35/63 is 52/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 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 63 × 10 = 630,
35/63 = 35 × 10/63 × 10 = 350/630 - Add the two like fractions:
378/630 + 350/630 = 378 + 350/630 = 728/630 - 728/630 simplified gives 52/45
- So, 42/70 + 35/63 = 52/45
In mixed form: 17/45
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