Add 72/10 and 80/36
1st number: 7 2/10, 2nd number: 2 8/36
72/10 + 80/36 is 424/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 10 × 18 = 180,
72/10 = 72 × 18/10 × 18 = 1296/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
80/36 = 80 × 5/36 × 5 = 400/180 - Add the two like fractions:
1296/180 + 400/180 = 1296 + 400/180 = 1696/180 - 1696/180 simplified gives 424/45
- So, 72/10 + 80/36 = 424/45
In mixed form: 919/45
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