Add 3/10 and 12/45
3/10 + 12/45 is 17/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
3/10 = 3 × 9/10 × 9 = 27/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
12/45 = 12 × 2/45 × 2 = 24/90 - Add the two like fractions:
27/90 + 24/90 = 27 + 24/90 = 51/90 - 51/90 simplified gives 17/30
- So, 3/10 + 12/45 = 17/30
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