Add 3/40 and 72/45
1st number: 3/40, 2nd number: 1 27/45
3/40 + 72/45 is 67/40.
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,
3/40 = 3 × 9/40 × 9 = 27/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
72/45 = 72 × 8/45 × 8 = 576/360 - Add the two like fractions:
27/360 + 576/360 = 27 + 576/360 = 603/360 - 603/360 simplified gives 67/40
- So, 3/40 + 72/45 = 67/40
In mixed form: 127/40
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