Add 15/90 and 18/35
15/90 + 18/35 is 143/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
15/90 = 15 × 7/90 × 7 = 105/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
18/35 = 18 × 18/35 × 18 = 324/630 - Add the two like fractions:
105/630 + 324/630 = 105 + 324/630 = 429/630 - 429/630 simplified gives 143/210
- So, 15/90 + 18/35 = 143/210
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