Add 10/45 and 72/40
1st number: 10/45, 2nd number: 1 32/40
10/45 + 72/40 is 91/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
10/45 = 10 × 8/45 × 8 = 80/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
72/40 = 72 × 9/40 × 9 = 648/360 - Add the two like fractions:
80/360 + 648/360 = 80 + 648/360 = 728/360 - 728/360 simplified gives 91/45
- So, 10/45 + 72/40 = 91/45
In mixed form: 21/45
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