Add 72/4 and 90/35
1st number: 18 0/4, 2nd number: 2 20/35
72/4 + 90/35 is 144/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
72/4 = 72 × 35/4 × 35 = 2520/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
90/35 = 90 × 4/35 × 4 = 360/140 - Add the two like fractions:
2520/140 + 360/140 = 2520 + 360/140 = 2880/140 - 2880/140 simplified gives 144/7
- So, 72/4 + 90/35 = 144/7
In mixed form: 204/7
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