Add 27/35 and 21/72
27/35 + 21/72 is 893/840.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
27/35 = 27 × 72/35 × 72 = 1944/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
21/72 = 21 × 35/72 × 35 = 735/2520 - Add the two like fractions:
1944/2520 + 735/2520 = 1944 + 735/2520 = 2679/2520 - 2679/2520 simplified gives 893/840
- So, 27/35 + 21/72 = 893/840
In mixed form: 153/840
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