Add 7/45 and 2/20
7/45 + 2/20 is 23/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
7/45 = 7 × 4/45 × 4 = 28/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
2/20 = 2 × 9/20 × 9 = 18/180 - Add the two like fractions:
28/180 + 18/180 = 28 + 18/180 = 46/180 - 46/180 simplified gives 23/90
- So, 7/45 + 2/20 = 23/90
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