Add 28/10 and 9/72
1st number: 2 8/10, 2nd number: 9/72
28/10 + 9/72 is 117/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
28/10 = 28 × 36/10 × 36 = 1008/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
9/72 = 9 × 5/72 × 5 = 45/360 - Add the two like fractions:
1008/360 + 45/360 = 1008 + 45/360 = 1053/360 - 1053/360 simplified gives 117/40
- So, 28/10 + 9/72 = 117/40
In mixed form: 237/40
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