Add 20/15 and 72/16
1st number: 1 5/15, 2nd number: 4 8/16
20/15 + 72/16 is 35/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
20/15 = 20 × 16/15 × 16 = 320/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
72/16 = 72 × 15/16 × 15 = 1080/240 - Add the two like fractions:
320/240 + 1080/240 = 320 + 1080/240 = 1400/240 - 1400/240 simplified gives 35/6
- So, 20/15 + 72/16 = 35/6
In mixed form: 55/6
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