Add 40/70 and 4/72
40/70 + 4/72 is 79/126.
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,
40/70 = 40 × 36/70 × 36 = 1440/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
4/72 = 4 × 35/72 × 35 = 140/2520 - Add the two like fractions:
1440/2520 + 140/2520 = 1440 + 140/2520 = 1580/2520 - 1580/2520 simplified gives 79/126
- So, 40/70 + 4/72 = 79/126
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