Add 4/36 and 7/70
4/36 + 7/70 is 19/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
4/36 = 4 × 35/36 × 35 = 140/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
7/70 = 7 × 18/70 × 18 = 126/1260 - Add the two like fractions:
140/1260 + 126/1260 = 140 + 126/1260 = 266/1260 - 266/1260 simplified gives 19/90
- So, 4/36 + 7/70 = 19/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/36+7/70 4/36+14/70 4/72+7/70 12/36+7/70 4/36+21/70 20/36+7/70 4/36+35/70 28/36+7/70 4/36+49/70