Add 10/45 and 72/80
10/45 + 72/80 is 101/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
10/45 = 10 × 16/45 × 16 = 160/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
72/80 = 72 × 9/80 × 9 = 648/720 - Add the two like fractions:
160/720 + 648/720 = 160 + 648/720 = 808/720 - 808/720 simplified gives 101/90
- So, 10/45 + 72/80 = 101/90
In mixed form: 111/90
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