Add 5/70 and 4/72
5/70 + 4/72 is 8/63.
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,
5/70 = 5 × 36/70 × 36 = 180/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
4/72 = 4 × 35/72 × 35 = 140/2520 - Add the two like fractions:
180/2520 + 140/2520 = 180 + 140/2520 = 320/2520 - 320/2520 simplified gives 8/63
- So, 5/70 + 4/72 = 8/63
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