Add 15/10 and 45/72
1st number: 1 5/10, 2nd number: 45/72
15/10 + 45/72 is 17/8.
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,
15/10 = 15 × 36/10 × 36 = 540/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
45/72 = 45 × 5/72 × 5 = 225/360 - Add the two like fractions:
540/360 + 225/360 = 540 + 225/360 = 765/360 - 765/360 simplified gives 17/8
- So, 15/10 + 45/72 = 17/8
In mixed form: 21/8
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