Add 72/32 and 42/90
1st number: 2 8/32, 2nd number: 42/90
72/32 + 42/90 is 163/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 90 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 32 × 45 = 1440,
72/32 = 72 × 45/32 × 45 = 3240/1440 - Likewise, for the 2nd fraction, since 90 × 16 = 1440,
42/90 = 42 × 16/90 × 16 = 672/1440 - Add the two like fractions:
3240/1440 + 672/1440 = 3240 + 672/1440 = 3912/1440 - 3912/1440 simplified gives 163/60
- So, 72/32 + 42/90 = 163/60
In mixed form: 243/60
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