Add 20/90 and 32/70
20/90 + 32/70 is 214/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
20/90 = 20 × 7/90 × 7 = 140/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
32/70 = 32 × 9/70 × 9 = 288/630 - Add the two like fractions:
140/630 + 288/630 = 140 + 288/630 = 428/630 - 428/630 simplified gives 214/315
- So, 20/90 + 32/70 = 214/315
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