Add 72/30 and 90/16
1st number: 2 12/30, 2nd number: 5 10/16
72/30 + 90/16 is 321/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
72/30 = 72 × 8/30 × 8 = 576/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
90/16 = 90 × 15/16 × 15 = 1350/240 - Add the two like fractions:
576/240 + 1350/240 = 576 + 1350/240 = 1926/240 - 1926/240 simplified gives 321/40
- So, 72/30 + 90/16 = 321/40
In mixed form: 81/40
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