Add 6/70 and 3/90
6/70 + 3/90 is 5/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
6/70 = 6 × 9/70 × 9 = 54/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
3/90 = 3 × 7/90 × 7 = 21/630 - Add the two like fractions:
54/630 + 21/630 = 54 + 21/630 = 75/630 - 75/630 simplified gives 5/42
- So, 6/70 + 3/90 = 5/42
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