Add 90/75 and 42/72
1st number: 1 15/75, 2nd number: 42/72
90/75 + 42/72 is 107/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 75 × 24 = 1800,
90/75 = 90 × 24/75 × 24 = 2160/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
42/72 = 42 × 25/72 × 25 = 1050/1800 - Add the two like fractions:
2160/1800 + 1050/1800 = 2160 + 1050/1800 = 3210/1800 - 3210/1800 simplified gives 107/60
- So, 90/75 + 42/72 = 107/60
In mixed form: 147/60
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