Add 10/35 and 30/90
10/35 + 30/90 is 13/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
10/35 = 10 × 18/35 × 18 = 180/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
30/90 = 30 × 7/90 × 7 = 210/630 - Add the two like fractions:
180/630 + 210/630 = 180 + 210/630 = 390/630 - 390/630 simplified gives 13/21
- So, 10/35 + 30/90 = 13/21
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