Add 42/90 and 3/63
42/90 + 3/63 is 18/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
42/90 = 42 × 7/90 × 7 = 294/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
3/63 = 3 × 10/63 × 10 = 30/630 - Add the two like fractions:
294/630 + 30/630 = 294 + 30/630 = 324/630 - 324/630 simplified gives 18/35
- So, 42/90 + 3/63 = 18/35
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