Add 72/80 and 42/27
1st number: 72/80, 2nd number: 1 15/27
72/80 + 42/27 is 221/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 27 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
72/80 = 72 × 27/80 × 27 = 1944/2160 - Likewise, for the 2nd fraction, since 27 × 80 = 2160,
42/27 = 42 × 80/27 × 80 = 3360/2160 - Add the two like fractions:
1944/2160 + 3360/2160 = 1944 + 3360/2160 = 5304/2160 - 5304/2160 simplified gives 221/90
- So, 72/80 + 42/27 = 221/90
In mixed form: 241/90
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