Add 70/90 and 81/40
1st number: 70/90, 2nd number: 2 1/40
70/90 + 81/40 is 1009/360.
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,
70/90 = 70 × 4/90 × 4 = 280/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
81/40 = 81 × 9/40 × 9 = 729/360 - Add the two like fractions:
280/360 + 729/360 = 280 + 729/360 = 1009/360 - So, 70/90 + 81/40 = 1009/360
In mixed form: 2289/360
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Related: 70/90+81/80