Add 8/90 and 21/35
8/90 + 21/35 is 31/45.
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,
8/90 = 8 × 7/90 × 7 = 56/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
21/35 = 21 × 18/35 × 18 = 378/630 - Add the two like fractions:
56/630 + 378/630 = 56 + 378/630 = 434/630 - 434/630 simplified gives 31/45
- So, 8/90 + 21/35 = 31/45
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