Add 48/20 and 90/18
1st number: 2 8/20, 2nd number: 5 0/18
48/20 + 90/18 is 37/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
48/20 = 48 × 9/20 × 9 = 432/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
90/18 = 90 × 10/18 × 10 = 900/180 - Add the two like fractions:
432/180 + 900/180 = 432 + 900/180 = 1332/180 - 1332/180 simplified gives 37/5
- So, 48/20 + 90/18 = 37/5
In mixed form: 72/5
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