Add 4/70 and 81/24
1st number: 4/70, 2nd number: 3 9/24
4/70 + 81/24 is 961/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 70 × 12 = 840,
4/70 = 4 × 12/70 × 12 = 48/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
81/24 = 81 × 35/24 × 35 = 2835/840 - Add the two like fractions:
48/840 + 2835/840 = 48 + 2835/840 = 2883/840 - 2883/840 simplified gives 961/280
- So, 4/70 + 81/24 = 961/280
In mixed form: 3121/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/70+81/24 4/70+81/48 12/70+81/24 4/70+81/72 20/70+81/24 28/70+81/24