Add 81/40 and 2/45
1st number: 2 1/40, 2nd number: 2/45
81/40 + 2/45 is 149/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
81/40 = 81 × 9/40 × 9 = 729/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
2/45 = 2 × 8/45 × 8 = 16/360 - Add the two like fractions:
729/360 + 16/360 = 729 + 16/360 = 745/360 - 745/360 simplified gives 149/72
- So, 81/40 + 2/45 = 149/72
In mixed form: 25/72
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