Add 72/30 and 90/48
1st number: 2 12/30, 2nd number: 1 42/48
72/30 + 90/48 is 171/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 48 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 48 × 5 = 240,
90/48 = 90 × 5/48 × 5 = 450/240 - Add the two like fractions:
576/240 + 450/240 = 576 + 450/240 = 1026/240 - 1026/240 simplified gives 171/40
- So, 72/30 + 90/48 = 171/40
In mixed form: 411/40
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