Add 54/90 and 70/40
1st number: 54/90, 2nd number: 1 30/40
54/90 + 70/40 is 47/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
54/90 = 54 × 4/90 × 4 = 216/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
70/40 = 70 × 9/40 × 9 = 630/360 - Add the two like fractions:
216/360 + 630/360 = 216 + 630/360 = 846/360 - 846/360 simplified gives 47/20
- So, 54/90 + 70/40 = 47/20
In mixed form: 27/20
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