Add 27/70 and 45/72
27/70 + 45/72 is 283/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 70 × 36 = 2520,
27/70 = 27 × 36/70 × 36 = 972/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
45/72 = 45 × 35/72 × 35 = 1575/2520 - Add the two like fractions:
972/2520 + 1575/2520 = 972 + 1575/2520 = 2547/2520 - 2547/2520 simplified gives 283/280
- So, 27/70 + 45/72 = 283/280
In mixed form: 13/280
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